<< < Previous FH: 00388335 Alectoria sarmentosa (Acharius) Acharius USA: Oregon [data not captured] T. J. Howell
FH: 00388201 Bryoria fremontii (Tuckerman) Brodo & D. Hawksworth USA: Oregon Dallas: [no additional data] T. J. Howell 1880
Aceraceae GH: 00363470 Acer glabrum Torrey USA: California Siskiyou Mts. T. J. Howell 1884-6-16
Alliaceae GH: 00267409 Allium amplectans Torrey USA: Oregon T. J. Howell 386 1879-6
GH: 00267409 Allium geyeri S. Watson USA: Oregon T. J. Howell 386 1879-6
GH: 00357277 Allium siskiyouense Ownbey USA: California Siskiyou Mts., summit T. J. Howell 1884
GH: 00030184 Triteleia grandiflora Lindley USA: Washington T. J. Howell 1879-6
GH: 00030184 Triteleia howellii S. Watson USA: Washington T. J. Howell 1879-6
Amblystegiaceae FH: 00544647 Amblystegium serpens (Linnaeus) Schimper USA: Oregon [data not captured] T. J. Howell 1885-3
FH: 00795491 Drepanocladus sendtneri giganteus (Schimper) Mönkemeyer USA: Alaska [data not captured] T. J. Howell 1895-8-18
FH: 00795820 Drepanocladus uncinatus (Hedwig) Warnstorf USA: Oregon [data not captured] T. J. Howell 1882-4-16
FH: 00795821 Drepanocladus uncinatus (Hedwig) Warnstorf USA: Oregon [no additional data] T. J. Howell 1880-5-8
FH: 00839113 Hygrohypnum molle (Hedwig) Loeske USA: Alaska [data not captured] T. J. Howell 1818 1895
FH: 00843479 Leptodictyum riparium (Hedwig) Warnstorf USA: Oregon [no additional data] T. J. Howell
Anacardiaceae GH: 00347335 Rhus aromatica Aiton USA: Oregon Grants Pass, Waldo Co. [Waldo is a ghost tow... T. J. Howell 1984-5-26
GH: 00347335 Rhus trilobata anisophylla (Greene) Jepson USA: Oregon Grants Pass, Waldo Co. [Waldo is a ghost tow... T. J. Howell 1984-5-26
GH: 00347305 Toxicodendron diversilobum (Torrey & A. Gray) Greene USA: Oregon [No Additional Data] T. J. Howell 69 1877-6-18
Apiaceae GH: 00075656 Carum howellii J. M. Coulter & Rose USA: Oregon Grants Pass T. J. Howell 710 1887-7-16
GH: 00075656 Perideridia howellii (J. M. Coulter & Rose) Mathias USA: Oregon Grants Pass T. J. Howell 710 1887-7-16
GH: 00076839 Peucedanum howellii S. Watson USA: Oregon Near Waldo T. J. Howell 128 1884-6-6
Araliaceae GH: 00067889 Aralia californica S. Watson USA: Oregon Siskiyou Mountains, in mountain streams T. J. Howell 786 1888-7
GH: 00067889 Aralia californica acuminata S. Watson USA: Oregon Siskiyou Mountains, in mountain streams T. J. Howell 786 1888-7
Aristolochiaceae GH: 01682295 Asarum caudatum Lindley USA: California [data not captured] T. J. Howell 1884-6-17
Aspleniaceae GH: 02070675 Asplenium viride Hudson USA: Alaska Yes Bay T. J. Howell 1727 1895-7-5
Asteraceae GH: 02141479 Agoseris grandiflora leptophylla G. I. Baird USA: Oregon [data not captured] T. J. Howell 22 1877-7-18
GH: 02141845 Agoseris retrorsa (Bentham) Greene USA: Oregon [data not captured] T. J. Howell 1886-5
GH: 02141846 Agoseris retrorsa (Bentham) Greene USA: Oregon [data not captured] T. J. Howell 176 1884-6
GH: 02141863 Agoseris sp. USA: Oregon [data not captured] T. J. Howell 1879-7
GH: 00000918 Antennaria leucophaea Piper USA: Washington Klickitat: T. J. Howell 1882-5-15
GH: 00000989 Antennaria stenophylla (A. Gray) A. Gray USA: Oregon T. J. Howell 741 1879-5
GH: 00000996 Antennaria suffrutescens Greene USA: Oregon Coast Mts., Waldo T. J. Howell 145 1884-6
GH: 00002345 Arnica aurantiaca Greene USA: Oregon Head of Keystone creek, Wallowa Mountains., ... T. J. Howell 2451 1900-8-2
GH: 00002357 Arnica cusickii Rydberg USA: Oregon Southern Oregon, Cascade Mts., dry western s... T. J. Howell 2873 1902-7-11
GH: 00002359 Arnica diversifolia Greene USA: Oregon Highest Eagle Cut Mt. (Powder River); 2460-2... T. J. Howell 1810 1897
GH: 00002361 Arnica eriopoda Gandoger USA: Oregon Southern Oregon, Cascade Mts. T. J. Howell 2914 1902-7-27
GH: 00002659 Arnica rivularis Greene USA: Oregon Powder River Mts; stream banks, Eagle Cut; a... T. J. Howell 1795 1897-8-28
GH: 00988677 Artemisia ludoviciana Nuttall USA: Oregon Steens Mountain T. J. Howell 1885-6-6
A: 01234488 Artemisia spinescens D. C. Eaton USA: Oregon Harney Valley T. J. Howell 1885-5-27
GH: 01234547 Artemisia suksdorfii Piper USA: Oregon Chutes T. J. Howell 157 1884
GH: 00002929 Aster delectus Piper USA: Oregon near the Cycan [Sycan Marsh] T. J. Howell 2761 1901-8-15
GH: 00002944 Aster engelmanni glaucescens A. Gray USA: Washington Simcoe Mts., W. T. T. J. Howell 1880-9
GH: 00002966 Aster foliaceus burkei A. Gray USA: Washington Simcoe Mts., W.T. T. J. Howell 1880-9
GH: 00002966 Aster foliaceus canbyi A. Gray USA: Washington Simcoe Mts., W.T. T. J. Howell 1880-9
GH: 00002944 Aster glaucescens (A. Gray) S. F. Blake USA: Washington Simcoe Mts., W. T. T. J. Howell 1880-9
GH: 00002966 Aster integrifolius Nuttall USA: Washington Simcoe Mts., W.T. T. J. Howell 1880-9
GH: 00002929 Aster occidentalis (Nuttall) Torrey & A. Gray USA: Oregon near the Cycan [Sycan Marsh] T. J. Howell 2761 1901-8-15
GH: 00003703 Aster occidentalis intermedius A. Gray USA: Washington Falcon Valley, W.T. T. J. Howell 1882
GH: 00404077 Brickellia greenei A. Gray USA: Oregon Waldo T. J. Howell 739 1887-7-7
GH: 02021722 Cirsium remotifolium (Hooker) de Candolle USA: Oregon [data not captured] T. J. Howell 233 1877-7
GH: 02022080 Cirsium vulgare (Savi) Tenore USA: Oregon [data not captured] T. J. Howell 234 1877-7
GH: 02142558 Crepis capillaris (Linnaeus) Wallroth USA: Oregon [data not captured] T. J. Howell 239 1877-7
GH: 02142924 Crepis runcinata Torrey & A. Gray USA: Oregon [data not captured] T. J. Howell 1885-6-1
GH: 02203828 Dieteria canescens shastensis (A. Gray) D. R. Morgan & R. L. Hartman USA: Oregon [data not captured] T. J. Howell 75 1887-7-9
GH: 00006386 Dimeresia howellii A. Gray USA: Oregon Stein's Mountain T. J. Howell 427 1885-6-2
GH: 02205289 Ericameria bloomeri (A. Gray) J. F. Macbride USA: Washington [data not captured] T. J. Howell 1880-9
GH: 02205283 Ericameria bloomeri (A. Gray) J. F. Macbride USA: Washington [data not captured] T. J. Howell 1881-9
GH: 00006619 Erigeron acris debilis A. Gray USA: Washington Mt. Adams T. J. Howell 1882
GH: 00006622 Erigeron aliceae Howell USA: Oregon Siskiyou Mountains T. J. Howell 749 1887-7-8
GH: 02207858 Erigeron bloomeri A. Gray USA: Oregon [data not captured] T. J. Howell 430 1885-5-26
GH: 00006650 Erigeron cervinus Greene USA: Oregon Deer Creek Mountains T. J. Howell 748 1887-7-4
GH: 02206388 Erigeron compositus Pursh USA: Oregon [data not captured] T. J. Howell 480 1885-6-2
GH: 02206653 Erigeron corymbosus Nuttall USA: Oregon [data not captured] T. J. Howell 435 1885-5-30
GH: 02206766 Erigeron decumbens Nuttall USA: Oregon [data not captured] T. J. Howell 434 1885-6-25
GH: 02348566 Erigeron foliosus confinis (Howell) Jepson USA: Oregon [data not captured] T. J. Howell 143 1884-5
GH: 02348905 Erigeron glacialis (Nuttall) A. Nelson USA: Oregon [data not captured] T. J. Howell 1880-7
GH: 02353118 Erigeron glaucus Ker Gawler USA: Oregon Chetco: [data not captured] T. J. Howell 144 1884-6
GH: 02353587 Erigeron inornatus (A. Gray) A. Gray USA: Oregon [data not captured] T. J. Howell 1880-7
GH: 02353720 Erigeron linearis (Hooker) Piper USA: Oregon [data not captured] T. J. Howell 439 1885-5-10
GH: 02353932 Erigeron lonchophyllus Hooker USA: Oregon [data not captured] T. J. Howell 437 1885-6-20
GH: 00006733 Erigeron nudatus A. Gray USA: Oregon T. J. Howell 140 1884-6
GH: 00006737 Erigeron oreganus A. Gray USA: Along the Columbia River T. J. Howell 1879-9
GH: 02352183 Erigeron oreganus A. Gray USA: Oregon [data not captured] T. J. Howell 193 1877-6
GH: 00006748 Erigeron poliospermus A. Gray USA: Oregon Banks of Columbia River T. J. Howell 1882-3-20
GH: 00002944 Eucephalus glaucescens (A. Gray) Greene USA: Washington Simcoe Mts., W. T. T. J. Howell 1880-9
GH: 00008669 Haplopappus howellii A. Gray USA: Oregon T. J. Howell 1885-6-6
GH: 01831381 Hieracium bolanderi A. Gray USA: Oregon [data not captured] T. J. Howell 177 1884-6
GH: 00009025 Hieracium greenei A. Gray USA: Oregon Deer Creek Mountains T. J. Howell 760 1887-7-5
GH: 00009025 Hieracium howellii A. Gray USA: Oregon Deer Creek Mountains T. J. Howell 760 1887-7-5
GH: 01832359 Hieracium kalmii Linnaeus USA: Oregon [data not captured] T. J. Howell 240 1877-7
GH: 00009027 Hieracium longiberbe Howell USA: Oregon T. J. Howell 599 1886-7
GH: 00009030 Hieracium parryi Zahn USA: Oregon T. J. Howell 178, 179
GH: 00010126 Microseris howellii A. Gray USA: Oregon T. J. Howell 170 1884-6-3
GH: 01835996 Microseris laciniata (Hooker) Schultz Bipontinus USA: Oregon [data not captured] T. J. Howell 244 1877-7
GH: 01835992 Microseris laciniata (Hooker) Schultz Bipontinus USA: Oregon [data not captured] T. J. Howell 243 1877-6
GH: 00011991 Packera paupercula (Michaux) A. Löve & D. Löve USA: Oregon T. J. Howell 221 1877-6
GH: 02022321 Saussurea americana D. C. Eaton USA: Washington [data not captured] T. J. Howell 1880-9
GH: 00011991 Senecio aureus Linnaeus USA: Oregon T. J. Howell 221 1877-6
GH: 00011948 Senecio foetidus Howell USA: Washington T. J. Howell 224 1879
GH: 00011991 Senecio multnomensis Greenman USA: Oregon T. J. Howell 221 1877-6
GH: 00012487 Solidago humilis nana A. Gray USA: Washington Mount Adams T. J. Howell 1882
GH: 00012606 Sphaeromeria cana (D. C. Eaton) A. Heller USA: Oregon Steins Mountain T. J. Howell 451 1885-6-3
GH: 00872212 Symphyotrichum frondosum (Nuttall) G. L. Nesom USA: Oregon Stein's Mountain T. J. Howell 431 1885-6-1
GH: 00002929 Symphyotrichum spathulatum (Lindley) G. L. Nesom USA: Oregon near the Cycan [Sycan Marsh] T. J. Howell 2761 1901-8-15
GH: 00003703 Symphyotrichum spathulatum intermedium (A. Gray) G. L. Nesom USA: Washington Falcon Valley, W.T. T. J. Howell 1882
GH: 00014113 Wyethia lanceolata Howell USA: Oregon Blue Mountains T. J. Howell 445 1885-5-21
Aulacomniaceae FH: 00520002 Aulacomnium androgynum (Hedwig) Schwägrichen USA: Oregon [no additional data] T. J. Howell 1880-3-26
FH: 00520003 Aulacomnium androgynum (Hedwig) Schwägrichen USA: Oregon [data not captured] T. J. Howell 1886-4-7
FH: 00520730 Aulacomnium palustre (Hedwig) Schwägrichen USA: Oregon [data not captured] T. J. Howell
FH: 00520734 Aulacomnium palustre (Hedwig) Schwägrichen USA: Oregon [data not captured] T. J. Howell
Azollaceae GH: 00376955 Azolla caroliniana Willdenow USA: Oregon Grants Pass T. J. Howell 1984-6-23
GH: 00376955 Azolla filiculoides Lamarck USA: Oregon Grants Pass T. J. Howell 1984-6-23
Bartramiaceae FH: 00536224 Anacolia menziesii (Taylor) Paris USA: Washington [data not captured] T. J. Howell 1880-6
FH: 00516724 Bartramia ithyphylla Bridel USA: Oregon [data not captured] T. J. Howell
FH: 00787117 Bartramia pomiformis Hedwig USA: Oregon [no additional data] T. J. Howell 73 1880-5-8
FH: 00848810 Plagiopus oederi (Bridel) Limpricht USA: Oregon [no additional data] T. J. Howell 74 1880-5-8
FH: 00848811 Plagiopus oederi (Bridel) Limpricht USA: Oregon [no additional data] T. J. Howell 75 1880-5-8
Boraginaceae GH: 00093304 Allocarya calycosa Piper USA: Oregon Umpqua Valley T. J. Howell s.n. (p.p.) 1887-6
GH: 00093473 Allocarya dichotoma Brand USA: Oregon T. J. Howell 1881-6
GH: 00093489 Allocarya hirta Greene USA: Oregon Umpqua Valley T. J. Howell s.n. (p.p.) 1887-6-25
GH: 00093303 Allocarya hirta Greene USA: Oregon Umpqua Valley T. J. Howell s.n. (p.p.) 1887-6-25
GH: 00093836 Amsinckia howellii Brand USA: Oregon T. J. Howell 1880-5
GH: 00093473 Cryptantha hendersonii (A. Nelson) Piper ex J. C. Nelson USA: Oregon T. J. Howell 1881-6
GH: 00096060 Cryptantha multicaule Howell USA: Oregon T. J. Howell 1885-5-8
GH: 00097656 Oreocarya celasioides Eastwood USA: Washington Banks of the Columbia River, Eastern Washing... T. J. Howell 1881-7
GH: 00093303 Plagiobothrys hirtus hirtus USA: Oregon Umpqua Valley T. J. Howell s.n. (p.p.) 1887-6-25
GH: 00093304 Plagiobothrys hirtus hirtus USA: Oregon Umpqua Valley T. J. Howell s.n. (p.p.) 1887-6
Brachytheciaceae FH: 00787944 Brachythecium plumosum (Hedwig) Bruch, Schimper & C. Gümbel USA: Oregon [data not captured] T. J. Howell 1885-3
FH: 00790521 Brachythecium rivulare Bruch, Schimper & C. Gümbel USA: Oregon Oregon City: Oregon City, Oregon T. J. Howell
FH: 00790521 Brachythecium rutabulum (Hedwig) Schimper USA: Oregon Oregon City: Oregon City, Oregon T. J. Howell
FH: 00625704 Bryhnia oregana (Sullivant) H. Robinson USA: Oregon [data not captured] T. J. Howell 1886-2
FH: 00625708 Bryhnia oregana (Sullivant) H. Robinson USA: Oregon [no additional data] T. J. Howell 1880-3-29
FH: 00625784 Bryhnia stokesii (Turner) H. Robinson USA: Oregon [data not captured] T. J. Howell 1882-3
FH: 00837717 Homalothecium aureum (Spruce) H. Robinson USA: Oregon [no additional data] T. J. Howell 1880-5-8
FH: 00837831 Homalothecium lutescens (Hedwig) H. Robinson USA: Oregon Oregon City: [no additional data] T. J. Howell 1882-3
FH: 00837833 Homalothecium lutescens (Hedwig) H. Robinson USA: Oregon [no additional data] T. J. Howell 1880-3-26
FH: 00837900 Homalothecium megaptilum (Sullivant) H. Robinson USA: Oregon Oregon City: [no additional data] T. J. Howell 1882-3
FH: 00838064 Homalothecium nuttalii (Wilson) A. Jaeger USA: Oregon [data not captured] T. J. Howell 1882-2
FH: 00838069 Homalothecium nuttalii (Wilson) A. Jaeger USA: Oregon [no additional data] T. J. Howell 1880-3-26
FH: 00885458 Scleropodium cespitans sublaeve (Renauld & Cardot) Wijk & Margadant USA: Oregon [data not captured] T. J. Howell 99
Brassicaceae GH: 00974060 Arabis aculeolata Greene USA: Oregon [data not captured] T. J. Howell 35 1884-5-31
GH: 00974061 Arabis aculeolata Greene USA: Oregon [data not captured] T. J. Howell 1884-6-4
GH: 00018800 Arabis furcata S. Watson USA: Washington Mount Adams T. J. Howell 1882-8-10
GH: 00018667 Arabis howellii S. Watson USA: Oregon Ashland Butte, Siskiyou Mountains T. J. Howell 664 1887-7
GH: 00018671 Arabis koehleri Howell USA: Oregon Roseburg: T. J. Howell 629 1887-4-8
GH: 00018671 Arabis lyallii Watson USA: Oregon Roseburg: T. J. Howell 629 1887-4-8
GH: 00018667 Arabis platysperma howellii (Watson) Jepson USA: Oregon Ashland Butte, Siskiyou Mountains T. J. Howell 664 1887-7
GH: 00018797 Arabis subpinnatifida S. Watson USA: Oregon Waldo T. J. Howell 32 1884-6-3
GH: 00018800 Arabis suksdorfii Howell USA: Washington Mount Adams T. J. Howell 1882-8-10
GH: 00932115 Boechera divaricarpa (A. Nelson) A. Löve & D. Löve USA: California Siskiyou Mt. T. J. Howell 36=34 1861-6-17
GH: 00018667 Boechera howellii (S. Watson) Windham & Al-Shehbaz USA: Oregon Ashland Butte, Siskiyou Mountains T. J. Howell 664 1887-7
GH: 00018671 Boechera koehleri (Howell) Al-Shehbaz USA: Oregon Roseburg: T. J. Howell 629 1887-4-8
GH: 00932907 Boechera koehleri (Howell) Al-Shehbaz USA: Oregon [data not captured] T. J. Howell 34 1884-5-31
GH: 00946418 Boechera lyallii (S. Watson) Dorn USA: Oregon [data not captured] T. J. Howell 590 1886-8-1
GH: 00946442 Boechera lyallii (S. Watson) Dorn USA: Washington [data not captured] T. J. Howell 557 1882-8
GH: 00960108 Boechera puberula (Nuttall) Dorn USA: Oregon [data not captured] T. J. Howell 334 1885-5-26
GH: 00944193 Boechera sp. USA: California [data not captured] T. J. Howell 33 1904-6-17
GH: 00944241 Boechera sp. USA: Oregon [data not captured] T. J. Howell 336 1885-5-14
GH: 00948501 Boechera sparsiflora (Nuttall) Dorn USA: Oregon [data not captured] T. J. Howell 335 1885-5-26
GH: 00948502 Boechera sparsiflora (Nuttall) Dorn USA: Oregon [data not captured] T. J. Howell 337 1885-5-24
GH: 00948595 Boechera sparsiflora subvillosa (S. Watson) Dorn USA: Oregon [data not captured] T. J. Howell 338 1885-5-8
GH: 00018797 Boechera subpinnatifida (S. Watson) Al-Shehbaz USA: Oregon Waldo T. J. Howell 32 1884-6-3
GH: 01783936 Boechera suffrutescens (S. Watson) Dorn USA: Oregon [data not captured] T. J. Howell 1887-7
GH: 01098435 Cardamine angulata Hooker USA: Oregon [data not captured] T. J. Howell 23 1877-5
GH: 01098436 Cardamine angulata Hooker USA: Oregon [data not captured] T. J. Howell 1886-7
GH: 01098819 Cardamine breweri orbicularis (Greene) Detling USA: Oregon [data not captured] T. J. Howell 567 1886-5
GH: 00378959 Cardamine californica integrifolia (Nuttall) Rollins USA: Oregon "Eight Dollar Mt.", Waldo Co. T. J. Howell 29 1894-5-31
GH: 00983834 Cardamine nuttallii gemmata (Greene) Rollins USA: Oregon [data not captured] T. J. Howell 624 1887-4-25
GH: 00018919 Cardamine occidentalis (S. Watson) Howell USA: Oregon Oregon City: T. J. Howell 333 1885-4
GH: 00999208 Cardamine penduliflora O. E. Schulz USA: Oregon [data not captured] T. J. Howell 568 1886-5
GH: 00018919 Cardamine pratensis occidentalis S. Watson ex B. L. Robinson USA: Oregon Oregon City: T. J. Howell 333 1885-4
GH: 00018920 Cardamine pulcherrima Greene USA: Oregon Mosier: T. J. Howell 1893-4-9
GH: 00018921 Cardamine quercetorum Howell USA: Oregon Silverton: T. J. Howell 663 1887-3
GH: 00018922 Cardamine tenella covilleana O. E. Schulz USA: California Siskiyou Mountains T. J. Howell 30 1904-6-17
GH: 01087594 Caulanthus pilosus S. Watson USA: Oregon [data not captured] T. J. Howell 339 1885-5-26
GH: 01084177 Descurainia pinnata intermedia (Rydberg) Detling USA: Oregon [data not captured] T. J. Howell 28 1877-6
GH: 01084281 Descurainia pinnata nelsonii (Rydberg) Detling USA: Oregon [data not captured] T. J. Howell 347 1885-5-26
GH: 01103684 Draba brachycarpa Nuttall USA: Oregon [data not captured] T. J. Howell 625 1887-4-10
GH: 00019028 Draba howellii S. Watson USA: California Siskiyou Mountains T. J. Howell 1884-6-17
GH: 01538052 Erysimum capitatum (Douglas ex Hooker) Greene USA: Oregon [data not captured] T. J. Howell 570 1886-6
GH: 01538629 Erysimum cheiranthoides Linnaeus USA: Oregon [data not captured] T. J. Howell 340 1885-6-9
GH: 01538632 Erysimum cheiranthoides Linnaeus USA: Oregon [data not captured] T. J. Howell 30 1877-7
GH: 01538709 Erysimum concinnum Eastwood USA: Oregon [data not captured] T. J. Howell 1884-6-11
GH: 01548269 Lepidium densiflorum elongatum (Rydberg) Thellung USA: Oregon [data not captured] T. J. Howell 350 1885-5-8
GH: 00019317 Lesquerella douglasii S. Watson USA: Oregon T. J. Howell 31 1877-6
GH: 00019444 Polyctenium bisulcatum Greene USA: Oregon Silvers Valley T. J. Howell 346 1885-5-24
GH: 00019625 Stanleya confertiflora (B. L. Robinson) Howell USA: Oregon Base of Stein's Mountain T. J. Howell 342 1885-5-30
GH: 00019625 Stanleya viridiflora confertiflora B. L. Robinson USA: Oregon Base of Stein's Mountain T. J. Howell 342 1885-5-30
GH: 00019704 Streptanthus howellii S. Watson USA: Oregon Coast Mountains T. J. Howell 39 1884-6-12
GH: 00019745 Thelypodium howellii S. Watson USA: Oregon Camp Polk T. J. Howell 343 1885-6
GH: 00019317 Vesicaria montana A. Gray USA: Oregon T. J. Howell 31 1877-6
GH: 00019317 Vesicaria occidentalis S. Watson USA: Oregon T. J. Howell 31 1877-6
Bryaceae FH: 00799076 Bryum miniatum Lesquereux : North America (CA, US, MX): [no additional d... T. J. Howell
FH: 00799081 Bryum miniatum Lesquereux USA: Oregon [data not captured] T. J. Howell 1884-6
FH: 00799671 Bryum uliginosum (Bridel) Bruch & Schimper USA: Oregon [no additional data] T. J. Howell 1880-5-8
FH: 00797201 Epipterygium tozeri (Greville) Lindberg : North America (CA, US, MX): [no additional d... T. J. Howell
FH: 00797205 Epipterygium tozeri (Greville) Lindberg USA: Oregon Oregon City: [no additional data] T. J. Howell 1885-3
FH: 00996636 Epipterygium tozeri (Greville) Lindberg USA: Oregon Oregon City: red clayey soil T. J. Howell 1885-3
FH: 00916783 Pohlia nutans (Hedwig) Lindberg USA: Alaska [data not captured] T. J. Howell 1824 1911-8-1
FH: 00996636 Pohlia tozeri (Greville) Delogne USA: Oregon Oregon City: red clayey soil T. J. Howell 1885-3
Caryophyllaceae GH: 00037574 Alsine simcoei Howell USA: Washington Simcoe Mountains T. J. Howell 1880-7
GH: 00037595 Arenaria howellii S. Watson USA: Oregon Coast Mountains near Waldo T. J. Howell 1884-6-5
GH: 00037871 Silene douglasii brachycalyx B. L. Robinson USA: Oregon T. J. Howell 42 1877-6
GH: 00037871 Silene douglasii douglasii USA: Oregon T. J. Howell 42 1877-6
GH: 00037574 Stellaria calycantha (Ledebour) Bongard USA: Washington Simcoe Mountains T. J. Howell 1880-7
Chenopodiaceae GH: 02003533 Atriplex confertifolia (Torrey & Fremont) Watson USA: Oregon [data not captured] T. J. Howell 540 1885-5-12
GH: 01826653 Atriplex pusilla (Torrey ex S. Watson) S. Watson USA: Oregon [data not captured] T. J. Howell 537 1885-6-9
GH: 01781420 Blitum capitatum Linnaeus USA: Oregon [data not captured] T. J. Howell 541 1885-5-21
GH: 01782761 Chenopodium pratericola Rydberg USA: Oregon [data not captured] T. J. Howell 543 1885-5-5
GH: 01784962 Micromonolepis pusilla (Torrey ex S. Watson) Ulbrich USA: Oregon [data not captured] T. J. Howell 538 1885-6-9
GH: 01783058 Nitrophila occidentalis S. Watson USA: Oregon [data not captured] T. J. Howell 358 1885-6-4
GH: 01783244 Oxybasis rubra (Linnaeus) S. Fuentes, Uotila & Borsch USA: Oregon [data not captured] T. J. Howell 367 1879-10
GH: 01785804 Suaeda nigra (Rafinesque) J. F. Macbride USA: Oregon [data not captured] T. J. Howell 539 1885-6-4
Climaciaceae FH: 00539118 Climacium dendroides (Hedwig) F. Weber & D. Mohr USA: Oregon [data not captured] T. J. Howell 1885-3
FH: 00539121 Climacium dendroides (Hedwig) F. Weber & D. Mohr USA: Oregon [data not captured] T. J. Howell 1885-3
Cornaceae GH: 00423846 Cornus californica pubescens (Nuttall) J. F. Macbride USA: Oregon [no additional data] T. J. Howell 177 1877-5
GH: 00423846 Cornus sp. USA: Oregon [no additional data] T. J. Howell 177 1877-5
Crassulaceae GH: 01871868 Crassula connata A. Berger USA: Oregon Umpqua Valley T. J. Howell 644 1887-4-12
GH: 01987442 Dudleya farinosa Britton & Rose USA: Oregon Chetco T. J. Howell 1884-6-11
GH: 01991338 Sedum debile S. Watson USA: Oregon [no additional data] T. J. Howell 1885-6
GH: 01991550 Sedum lanceolatum Torrey USA: Oregon Ashland Butte. Siskiyou mountains T. J. Howell 691 1887-7-18
GH: 01991618 Sedum laxum (Britton) A. Berger USA: Oregon Waldon T. J. Howell 1884-6-15
GH: 01991619 Sedum laxum (Britton) A. Berger USA: Oregon Waldon T. J. Howell 1884-6-15
GH: 01991648 Sedum leibergii Britton USA: Washington Klickitat, Washington Territory T. J. Howell 1879-6
GH: 01991741 Sedum oreganum Nuttall ex Torrey & A. Gray USA: Oregon Rocky banks of the Columbia near Cape Horn T. J. Howell 123 1877-7
GH: 01991619 Sedum oregonense (S. Watson) M. Peck USA: Oregon Waldon T. J. Howell 1884-6-15
GH: 01990241 Sedum stenopetalum stenopetalum R. T. Clausen USA: Oregon Cascades T. J. Howell 1886
GH: 01990248 Sedum stenopetalum stenopetalum R. T. Clausen USA: Oregon Sauvies Island. St. Helens T. J. Howell
Cryphaeaceae FH: 00540218 Dendroalsia abietina (Hooker) E. Britton ex Brotherus USA: Oregon [no additional data] T. J. Howell 1880-3-26
FH: 00540225 Dendroalsia abietina (Hooker) E. Britton ex Brotherus USA: Oregon Portland: [data not captured] T. J. Howell 1883-10
Cupressaceae GH: 02107480 Thuja plicata Donn ex D. Don USA: Oregon [data not captured] T. J. Howell 1881-8-15
Cyperaceae GH: 00273547 Calliscirpus criniger (A. Gray) C. N. Gilmour, J. R. Starr & Naczi USA: Oregon Eightmor [spelling ?] Mt. T. J. Howell 1884-5-31
GH: 02315022 Carex brevipes W. Boott ex B. D. Jackson USA: Washington [data not captured] T. J. Howell 1882-8-12
GH: 00351994 Carex cinnamomea Olney USA: Oregon Near Kerbyville T. J. Howell 1884-5-30
GH: 00351994 Carex debiliformis Mackenzie USA: Oregon Near Kerbyville T. J. Howell 1884-5-30
GH: 02315022 Carex deflexa boottii L. H. Bailey USA: Washington [data not captured] T. J. Howell 1882-8-12
GH: 02368153 Carex engelmannii L. H. Bailey USA: New Hampshire Mt. Adams: [data not captured] T. J. Howell 1882-8-14
GH: 01774904 Carex exsiccata L. H. Bailey USA: Oregon [data not captured] T. J. Howell 416 1877-5
GH: 01774957 Carex exsiccata L. H. Bailey USA: Oregon [data not captured] T. J. Howell 74
GH: 02369637 Carex macrocephala Willdenow ex Kunth USA: Oregon [data not captured] T. J. Howell 1882-7-15
GH: 02369636 Carex macrocephala Willdenow ex Kunth USA: Oregon [data not captured] T. J. Howell 1882-7
GH: 00351994 Carex mendocinensis Olney ex W. Boott USA: Oregon Near Kerbyville T. J. Howell 1884-5-30
GH: 02368435 Carex micropoda C. A. Meyer USA: Washington [data not captured] T. J. Howell 1882-8-8
GH: 02368327 Carex nigricans C. A. Meyer USA: Washington [data not captured] T. J. Howell 101 1882-8-8
GH: 02368326 Carex nigricans C. A. Meyer USA: Washington [data not captured] T. J. Howell 102 1882-8-14
GH: 02369272 Carex praegracilis W. Boott USA: Oregon [data not captured] T. J. Howell 1885
GH: 01771496 Carex sp. USA: Washington [data not captured] T. J. Howell 1882-8-9
GH: 01771549 Carex sp. USA: Oregon [data not captured] T. J. Howell 1884-5-30
GH: 00027448 Carex stylosa virens L. H. Bailey USA: Oregon Sauvies Island T. J. Howell 1880-6
GH: 01773788 Carex utriculata Boott USA: Oregon [data not captured] T. J. Howell 1884-5-30
GH: 00139227 Eleocharis engelmannii Steudel USA: Oregon T. J. Howell 408 1877
GH: 00139227 Eleocharis monticola Fernald USA: Oregon T. J. Howell 408 1877
GH: 00273547 Eriophorum crinigerum (A. Gray) Beetle USA: Oregon Eightmor [spelling ?] Mt. T. J. Howell 1884-5-31
GH: 00273547 Scirpus criniger A. Gray USA: Oregon Eightmor [spelling ?] Mt. T. J. Howell 1884-5-31
Dicranaceae FH: 00540993 Dicranella heteromalla (Hedwig) Schimper USA: Alaska [data not captured] T. J. Howell 1824 1895-8
FH: 00541594 Dicranoweisia cirrata (Hedwig) Lindberg USA: Oregon [no additional data] T. J. Howell 1880-3-26
FH: 00541617 Dicranoweisia cirrata (Hedwig) Lindberg USA: Oregon [no additional data] T. J. Howell
FH: 00541619 Dicranoweisia cirrata (Hedwig) Lindberg USA: Oregon [data not captured] T. J. Howell 1882-3
FH: 00541943 Dicranum bonjeanii De Notaris USA: Oregon [data not captured] T. J. Howell 1886-2
FH: 00791852 Dicranum scoparium Hedwig USA: Oregon [data not captured] T. J. Howell 1884-6
FH: 00791853 Dicranum scoparium Hedwig USA: Oregon [data not captured] T. J. Howell 1884-6
FH: 00791856 Dicranum scoparium Hedwig USA: Oregon [no additional data] T. J. Howell 1880-3-26
FH: 00541733 Dicranum sp. USA: Oregon [no additional data] T. J. Howell 1880-3-26
FH: 00780629 Oncophorus virens (Hedwig) Bridel USA: Alaska [data not captured] T. J. Howell 1821 1895-8-20
FH: 00902724 Rhabdoweisia crispata (Dickson ex Withering) Lindberg USA: Oregon [no additional data] T. J. Howell 72 1880-5-8
FH: 01136203 Trematodon ambiguus (Hedwig) Hornschuch USA: Alaska [data not captured] T. J. Howell 1817 1895-8
Ditrichaceae FH: 00515297 Ceratodon purpureus (Hedwig) Bridel USA: Oregon [no additional data] T. J. Howell 1880-3-26
FH: 00515299 Ceratodon purpureus (Hedwig) Bridel USA: Oregon Oregon City: [no additional data] T. J. Howell 1885-3
FH: 00793352 Distichium capillaceum (Hedwig) Bruch & Schimper : North America (CA, US, MX): [no additional d... T. J. Howell
FH: 00793520 Ditrichum heteromallum (Hedwig) E. Britton USA: Alaska [data not captured] T. J. Howell 1815 1895-8
FH: 00793980 Ditrichum schimperi (Lesquereux) Kuntze USA: Oregon [no additional data] T. J. Howell
Droseraceae GH: 01145269 Drosera rotundifolia Linnaeus USA: Washington Wreck Creek Prairie near Granville. Quiniaul... T. J. Howell 362 1902-7-22
Encalyptaceae FH: 00796257 Encalypta ciliata Hedwig USA: Oregon [data not captured] T. J. Howell 1885-3
Ericaceae GH: 01117432 Arctostaphylos cinerea Howell USA: Oregon Coach Mts. S.W. Oregon, near boundary T. J. Howell 1884-6-9
GH: 00350953 Arctostaphylos patula Greene USA: California Siskiyou Mts. T. J. Howell 1884-6
GH: 00350954 Arctostaphylos patula Greene USA: Oregon Waldo T. J. Howell 1884-6
GH: 01537214 Cassiope mertensiana (Bongard) D. Don USA: Oregon North side of mount Hood. T. J. Howell 1886-8-1
GH: 01761909 Pyrola minor Linnaeus USA: Oregon [data not captured] T. J. Howell 1878
GH: 01761975 Pyrola picta Smith USA: Oregon [data not captured] T. J. Howell 1883
GH: 00363164 Sarcodes sanguinea Torrey USA: California Siskiyou Mts. T. J. Howell 192 1889-6-16
Fabaceae GH: 00058612 Astragalus accidens S. Watson USA: Oregon Southern Oregon T. J. Howell 1881-4-15
GH: 00058917 Astragalus bourgovii A. Gray USA: Oregon Trout Creek Blue Mts. T. J. Howell 377 1885-5-25
GH: 00058698 Astragalus conjunctus S. Watson USA: Oregon Near The Dalles T. J. Howell 373 1885-5-8
GH: 00058698 Astragalus conjunctus oxytropidoides M. E. Jones USA: Oregon Near The Dalles T. J. Howell 373 1885-5-8
GH: 00058718 Astragalus diaphanus Douglas ex Hooker USA: Oregon John Day River, Dayville T. J. Howell 383 1885-5-19
GH: 00058718 Astragalus diurnus S. Watson USA: Oregon John Day River, Dayville T. J. Howell 383 1885-5-19
GH: 00058698 Astragalus hoodianus Howell USA: Oregon Near The Dalles T. J. Howell 373 1885-5-8
GH: 00058830 Astragalus misellus S. Watson USA: Oregon Near Mitchell T. J. Howell 374 1885-5-15
GH: 00058904 Astragalus reventiformis (Rydberg) Barneby USA: Washington Klickitat T. J. Howell 1882-4-26
GH: 00058904 Astragalus reventus A. Gray USA: Washington Klickitat T. J. Howell 1882-4-26
GH: 00058917 Astragalus salmonis M. E. Jones USA: Oregon Trout Creek Blue Mts. T. J. Howell 377 1885-5-25
GH: 00058952 Astragalus sylvaticus S. Watson USA: Oregon Dense forests at Glendale T. J. Howell 674 1887-6-30
GH: 00058904 Cnemidophacos reventiformis Rydberg USA: Washington Klickitat T. J. Howell 1882-4-26
GH: 00065875 Lathyrus pauciflorus Fernald USA: Oregon Roseburg: T. J. Howell 677 1887-6
GH: 00065875 Lathyrus polyphyllus Nuttall ex Torrey & A. Gray USA: Oregon Roseburg: T. J. Howell 677 1887-6
GH: 00366760 Lupinus arboreus Sims USA: California Crescent City: T. J. Howell 1892-4
GH: 02176842 Lupinus lepidus Douglas ex Lindley USA: Oregon [data not captured] T. J. Howell 79 1877-6
GH: 02176968 Lupinus leucophyllus canescens (Howell) C. P. Smith USA: Oregon [data not captured] T. J. Howell 367 1885-6-14
GH: 02177169 Lupinus microcarpus Sims USA: Oregon [data not captured] T. J. Howell 361 1885-5-11
GH: 02177557 Lupinus onustus S. Watson USA: Oregon [data not captured] T. J. Howell 80 1904-6-13
GH: 00366760 Lupinus propinquus Greene USA: California Crescent City: T. J. Howell 1892-4
GH: 02128309 Lupinus saxosus Howell USA: Oregon [data not captured] T. J. Howell 781 1885-5
GH: 02128307 Lupinus saxosus Howell USA: Oregon [data not captured] T. J. Howell 366 1885-5-25
GH: 02128357 Lupinus sellulus Kellogg USA: Oregon [data not captured] T. J. Howell 1880-7
GH: 02128351 Lupinus sellulus Kellogg USA: California [data not captured] T. J. Howell 1884-6-17
GH: 02128394 Lupinus sellulus ursinus (Eastwood) B. J. Cox USA: Oregon [data not captured] T. J. Howell 670 1887-7-18
GH: 02128526 Lupinus sericeus Pursh USA: Oregon [data not captured] T. J. Howell 982 1882-5
GH: 00063463 Thermopsis gracilis Howell USA: Oregon South Oregon T. J. Howell 669 1887
GH: 00063470 Thermopsis robusta Howell USA: Oregon Coast Mountains T. J. Howell 75 1884-6
GH: 00058917 Tium salmonis (M. E. Jones) Rydberg USA: Oregon Trout Creek Blue Mts. T. J. Howell 377 1885-5-25
GH: 02619454 Trifolium cyathiferum Lindley USA: Oregon [data not captured] T. J. Howell 83 1877-6
GH: 02619516 Trifolium depauperatum Desvaux USA: Oregon [data not captured] T. J. Howell 638 1887-4-16
GH: 02342816 Trifolium dichotomum Hooker & Arnott USA: Oregon [data not captured] T. J. Howell 1884-5
GH: 02342856 Trifolium eriocephalum Nuttall USA: Oregon [data not captured] T. J. Howell 371 1885-6-9
GH: 00063503 Trifolium howellii S. Watson USA: Oregon Siskiyou Mountains T. J. Howell 671 1887-7-11
GH: 02343381 Trifolium longipes hansenii (Greene) J. M. Gillett USA: Oregon [data not captured] T. J. Howell 368 1885-6-20
GH: 02464266 Trifolium obtusiflorum Hooker USA: Oregon Roseburg: [no additional data] T. J. Howell 672 1887-6-25
GH: 02343992 Trifolium productum Greene USA: Oregon [data not captured] T. J. Howell 369 1885-6-21
GH: 02344291 Trifolium rusbyi oreganum (Howell) D. Heller & Zohary USA: Oregon [data not captured] T. J. Howell 1884-6-13
GH: 02289230 Trifolium variegatum Nuttall USA: Oregon [data not captured] T. J. Howell 1884-7
GH: 02289230 Trifolium willdenovii Sprengel USA: Oregon [data not captured] T. J. Howell 1884-7
GH: 02347003 Vicia gigantea Hooker USA: Oregon [data not captured] T. J. Howell 96 1877-6
GH: 02347089 Vicia hirsuta (Linnaeus) Gray USA: Oregon [data not captured] T. J. Howell 95 1877-6
Fissidentaceae FH: 00487179 Fissidens minutulus Sullivant USA: Oregon [no additional data] T. J. Howell
Fontinalaceae FH: 00540588 Dichelyma uncinatum Mitten USA: Oregon [data not captured] T. J. Howell 1885-11
FH: 00540591 Dichelyma uncinatum Mitten USA: Oregon [no additional data] T. J. Howell 1880-3-26
FH: 00540597 Dichelyma uncinatum Mitten USA: Oregon [data not captured] T. J. Howell 1886
FH: 00290922 Fontinalis antipyretica oreganensis Renauld & Cardot USA: Oregon [no additional data] T. J. Howell
FH: 00290923 Fontinalis antipyretica oreganensis Renauld & Cardot USA: Oregon Saint Helens: [no additional data] T. J. Howell 1884-9
FH: 00290933 Fontinalis antipyretica oreganensis Renauld & Cardot USA: Oregon Saint Helens: [no additional data] T. J. Howell 1884-9
FH: 00060901 Fontinalis howellii Renauld & Cardot USA: Oregon T. J. Howell 44
Funariaceae FH: 00780277 Funaria californica Sullivant & Lesquereux USA: Oregon [data not captured] T. J. Howell
FH: 00847572 Physcomitrium pyriforme serratum (Renauld & Cardot) H. A. Crum & L. E. Anderson USA: Oregon [data not captured] T. J. Howell
Garryaceae A: 00401734 Garrya elliptica Douglas ex Lindley USA: California Be the sea, mouth of Smith river T. J. Howell 1884-6-10
Grimmiaceae FH: 00902287 Bucklandiella heterosticha (Hedwig) Bednarek-Ochyra & Ochyra USA: Oregon Oregon City: Oregon City, Oregon T. J. Howell 1882-3
FH: 00557570 Grimmia donniana Smith ex Spruce USA: Oregon [no additional data] T. J. Howell 55 1880-5-8
FH: 00545362 Grimmia hamulosa Lesquereux USA: Washington [data not captured] T. J. Howell 1882-8
FH: 00487845 Grimmia lisae De Notaris USA: Oregon [no additional data] T. J. Howell
FH: 00825172 Grimmia trichophylla Greville USA: Washington [data not captured] T. J. Howell 1882-8
FH: 00836618 Hedwigia ciliata (Hedwig) P. Beauvois USA: Oregon [data not captured] T. J. Howell 1880-5-8
FH: 00458450 Niphotrichum elongatum (Ehrhart ex Frisvoll) Bednarek-Ochyra & Ochyra USA: Oregon Oregon City: Oregon City, Oregon T. J. Howell 1882-3
FH: 00623525 Racomitrium aciculare (Hedwig) Bridel USA: Oregon Oregon City: [no additional data] T. J. Howell 1885-3
FH: 00623664 Racomitrium canescens (Hedwig) Bridel USA: Oregon [data not captured] T. J. Howell
FH: 00623665 Racomitrium canescens (Hedwig) Bridel USA: Oregon Oregon City: [no additional data] T. J. Howell 1882-3
FH: 00623668 Racomitrium canescens (Hedwig) Bridel USA: Oregon [data not captured] T. J. Howell 1880-5-8
FH: 00623923 Racomitrium heterostichum (Hedwig) Bridel USA: Oregon [no additional data] T. J. Howell 64 1880-5-8
FH: 00623927 Racomitrium heterostichum (Hedwig) Bridel USA: Oregon [data not captured] T. J. Howell
FH: 00623930 Racomitrium heterostichum (Hedwig) Bridel USA: Oregon [no additional data] T. J. Howell 1887
FH: 00902287 Racomitrium lanuginosum (Hedwig) Bridel USA: Oregon Oregon City: Oregon City, Oregon T. J. Howell 1882-3
FH: 00902288 Racomitrium lanuginosum (Hedwig) Bridel USA: Oregon [no additional data] T. J. Howell 1880-5-8
FH: 00220294 Racomitrium oreganum Renauld & Cardot USA: Oregon T. J. Howell
FH: 00220295 Racomitrium oreganum Renauld & Cardot USA: Oregon Oregon City: T. J. Howell
FH: 00902439 Racomitrium patens (Dickson ex Hedwig) Huebener USA: Oregon [data not captured] T. J. Howell 1884
FH: 00220294 Racomitrium varium (Mitten) A. Jaeger USA: Oregon T. J. Howell
FH: 00220295 Racomitrium varium (Mitten) A. Jaeger USA: Oregon Oregon City: T. J. Howell
FH: 00921041 Scouleria aquatica Hooker USA: Oregon [data not captured] T. J. Howell 1882-7
Hedwigiaceae FH: 00919611 Pseudobraunia californica (Lesquereux) Brotherus USA: Oregon [data not captured] T. J. Howell 1880-5-8
FH: 00919620 Pseudobraunia californica (Lesquereux) Brotherus USA: Oregon [no additional data] T. J. Howell
Herbertaceae FH: 00499022 Herbertus aduncus (Dickson) Gray USA: Alaska [data not captured] T. J. Howell 1895-8-20
Hydrophyllaceae GH: 01166013 Conanthus parviflorus Greenman USA: Oregon T. J. Howell 1885-6-16
GH: 01166013 Nama densa Lemmon USA: Oregon T. J. Howell 1885-6-16
GH: 01166013 Nama densa parviflora (Greenman) C. L. Hitchcock USA: Oregon T. J. Howell 1885-6-16
GH: 01166013 Nama parviflora (Greenman) Constance USA: Oregon T. J. Howell 1885-6-16
Hypnaceae FH: 00840401 Hypnum circinale Hooker USA: Oregon [data not captured] T. J. Howell 1882-2
FH: 00840403 Hypnum circinale Hooker USA: Oregon [no additional data] T. J. Howell 1880-3-26
FH: 00840407 Hypnum circinale Hooker USA: Oregon [no additional data] T. J. Howell
FH: 00840629 Hypnum cupressiforme Hedwig USA: Oregon Oregon City: [no additional data] T. J. Howell 1885
FH: 00790521 Hypnum rutabulum Hedwig USA: Oregon Oregon City: Oregon City, Oregon T. J. Howell
FH: 00842101 Hypnum subimponens Lesquereux USA: Oregon [data not captured] T. J. Howell 1885-3
FH: 00850021 Pleuroziopsis ruthenica (Weinman) Kindberg ex E. Britton USA: Alaska [data not captured] T. J. Howell 1895-8-25
FH: 00850025 Pleuroziopsis ruthenica (Weinman) Kindberg ex E. Britton USA: Alaska [data not captured] T. J. Howell 1835 1895-8-27
Iridaceae GH: 00030534 Iris bracteata S. Watson USA: Oregon Waldo T. J. Howell 272 1884-6
GH: 00030535 Iris chrysophylla Howell USA: Oregon Wolf Creek T. J. Howell 1884-5-20
Juncaceae GH: 02098455 Juncus acuminatus Michaux USA: Washington Seattle: [data not captured] T. J. Howell 612 1886-6
GH: 02099911 Juncus bolanderi Engelmann USA: Oregon [data not captured] T. J. Howell 729 1887-6-25
GH: 02401146 Juncus ensifolius Wikström USA: Oregon [no additional data] T. J. Howell 405 1877-6
GH: 02401966 Juncus longistylis Torrey USA: Oregon [data not captured] T. J. Howell 731 1887-7-1
GH: 02400788 Juncus nevadensis S. Watson USA: Oregon [data not captured] T. J. Howell 401 1877-7
GH: 02399208 Juncus occidentalis (Coville) Wiegand USA: Oregon [data not captured] T. J. Howell 1882
GH: 02399258 Juncus oxymeris Engelmann USA: Oregon [data not captured] T. J. Howell 404 1877-7
GH: 02399256 Juncus oxymeris Engelmann USA: Oregon [data not captured] T. J. Howell 728 1887-7-1
GH: 02399252 Juncus oxymeris Engelmann USA: Oregon [data not captured] T. J. Howell 399 1877-7
GH: 02399967 Juncus regelii Buchenau USA: Oregon [data not captured] T. J. Howell 610 1886-6
GH: 02397540 Juncus torreyi Coville USA: Oregon [data not captured] T. J. Howell 403 1877-7
GH: 02397538 Juncus torreyi Coville USA: Oregon [data not captured] T. J. Howell 402 = 403 1877-7
GH: 02117551 Luzula macrantha Zika & B. L. Wilson USA: Oregon [data not captured] T. J. Howell 1884-5-21
GH: 02366179 Luzula parviflora (Ehrhart) Desvaux USA: Washington [data not captured] T. J. Howell 307 1902-7-8
GH: 02366434 Luzula parviflora (Ehrhart) Desvaux USA: Washington [data not captured] T. J. Howell 1882-8
Jungermanniaceae FH: 00507541 Nardia scalaris (Schrader) Gray USA: Alaska [data not captured] T. J. Howell 1815 1895-8
Lamiaceae GH: 00001294 Lophanthus cusickii Greenman USA: Oregon Summits and sides of Steens Mountains T. J. Howell 2001 1898-7-4
GH: 00001353 Monardella glauca Greene USA: Oregon T. J. Howell 1956 1898-6-21
GH: 00400751 Pogogyne douglasii Bentham USA: Oregon Central Point T. J. Howell 777 1887-7-18
GH: 00936020 Scutellaria nana A. Gray USA: Oregon Harney Valley T. J. Howell 524 1885-6
Lembophyllaceae FH: 00842552 Isothecium cristatum (Hampe) H. Robinson USA: Oregon [data not captured] T. J. Howell 1882-2
FH: 00842553 Isothecium cristatum (Hampe) H. Robinson USA: Oregon [no additional data] T. J. Howell 1880-3-26
FH: 00842604 Isothecium myosuroides Bridel USA: Oregon Portland: [data not captured] T. J. Howell 1882-3
FH: 00842611 Isothecium myosuroides Bridel USA: Oregon [no additional data] T. J. Howell 70 1880-5-8
FH: 00842662 Isothecium stoloniferum Bridel USA: Oregon [data not captured] T. J. Howell 1882-2
FH: 00842663 Isothecium stoloniferum Bridel USA: Oregon [data not captured] T. J. Howell
FH: 00842669 Isothecium stoloniferum Bridel USA: Oregon [no additional data] T. J. Howell 1880-3-26
Lentibulariaceae GH: 01975679 Utricularia vulgaris Linnaeus USA: Oregon [no additional data] T. J. Howell 262 1877-7
Leucodontaceae FH: 00537827 Antitrichia californica Sullivant ex Lesquereux USA: Oregon [no additional data] T. J. Howell 1880-3-26
FH: 00537833 Antitrichia californica Sullivant ex Lesquereux USA: Oregon [data not captured] T. J. Howell 1882-2
Liliaceae GH: 00029861 Calochortus howellii S. Watson USA: Oregon Roseburg T. J. Howell 727 1887-6-7
GH: 00029860 Calochortus howellii S. Watson USA: Oregon Waldo T. J. Howell 294 1884-6-18
GH: 00029883 Calochortus lobbii Purdy USA: Oregon Mount Hood T. J. Howell 1881
GH: 00029883 Calochortus subalpinus Piper USA: Oregon Mount Hood T. J. Howell 1881
GH: 00028420 Camassia howellii S. Watson USA: Oregon Grants Pass T. J. Howell 1395 1889-5
GH: 00260674 Clintonia andrewsiana Torrey USA: Oregon Coast Mtns. T. J. Howell 1884-6-12
GH: 00029918 Erythronium citrinum S. Watson USA: Oregon June Creek Mountains T. J. Howell 651 1887-4-26
GH: 00029921 Erythronium howellii S. Watson USA: Oregon Waldo T. J. Howell 658 1887-4-24
GH: 00112375 Erythronium montanum S. Watson USA: Oregon North side of Mount Hood T. J. Howell 601 1886-8-1
GH: 00029931 Fritillaria glauca Greene USA: Oregon Near Waldo T. J. Howell 1892-4-26
GH: 00029941 Hastingsia bracteosa S. Watson USA: Oregon Eight Dollar Mountain T. J. Howell 1884-5-30
GH: 00029953 Lilium bolanderi S. Watson USA: Oregon Coast Mountains T. J. Howell 1884-6-13
GH: 00099114 Pseudotrillium rivale (S. Watson) S. B. Farmer USA: Oregon Coast and Siskiyou Mts., Oregon and Californ... T. J. Howell 1884
GH: 00029941 Schoenolirion bracteosum (S. Watson) Jepson USA: Oregon Eight Dollar Mountain T. J. Howell 1884-5-30
GH: 00099114 Trillium rivale S. Watson USA: Oregon Coast and Siskiyou Mts., Oregon and Californ... T. J. Howell 1884
Limnanthaceae GH: 01181297 Limnanthes douglasii R. Brown USA: Oregon [data not captured] T. J. Howell 635B 1887-5-2
GH: 00364867 Limnanthes floccosa Howell USA: Oregon Rogue River Valley T. J. Howell 634 1887-4-16
GH: 01181341 Limnanthes gracilis Howell USA: Oregon [data not captured] T. J. Howell 635A 1887-4-27
GH: 01181342 Limnanthes gracilis Howell USA: Oregon [data not captured] T. J. Howell 1884-5-22
GH: 01181358 Limnanthes pumila Howell USA: Oregon [data not captured] T. J. Howell 635 1887-4-16
Lycopodiaceae GH: 02163041 Diphasiastrum alpinum (Linnaeus) Holub USA: Alaska by Yes Bay T. J. Howell 1732 1895-8-18
GH: 02077244 Huperzia miyoshiana (Makino) Ching USA: Alaska Yukon-Koyukuk Census Area: Yes Bay T. J. Howell 1733 1895-8-20
Malvaceae GH: 00058080 Sidalcea campestris Greene USA: Oregon Dry prairies T. J. Howell 614 1881-7
GH: 00058113 Sidalcea virgata J. T. Howell : T. J. Howell 603 1882-6
Meesiaceae FH: 00845226 Meesia longiseta Hedwig USA: Washington [data not captured] T. J. Howell 1887
FH: 00845270 Meesia triquetra (Linnaeus ex Jolyclerc) Angstrom USA: Washington [data not captured] T. J. Howell 1882-8
Mniaceae FH: 00845017 Leucolepis menziesii (Hooker) Steere USA: Oregon [no additional data] T. J. Howell 1880-3-26
FH: 00845024 Leucolepis menziesii (Hooker) Steere USA: Oregon [data not captured] T. J. Howell 1886
FH: 00847820 Mnium affine Blandow ex Funck USA: Oregon Oregon City: Oregon City T. J. Howell 10 1885-3
FH: 00847822 Mnium affine Blandow ex Funck USA: Oregon Oregon City: Oregon City, Oregon T. J. Howell 1885-3
FH: 00847820 Plagiomnium affine (Blandow ex Funck) T. J. Koponen USA: Oregon Oregon City: Oregon City T. J. Howell 10 1885-3
FH: 00847822 Plagiomnium affine (Blandow ex Funck) T. J. Koponen USA: Oregon Oregon City: Oregon City, Oregon T. J. Howell 1885-3
FH: 00848391 Plagiomnium drummondii (Bruch & Schimper) T. J. Koponen USA: Oregon [no additional data] T. J. Howell 1880-3-26
FH: 00847820 Plagiomnium insigne (Mitten) T. J. Koponen USA: Oregon Oregon City: Oregon City T. J. Howell 10 1885-3
FH: 00847822 Plagiomnium insigne (Mitten) T. J. Koponen USA: Oregon Oregon City: Oregon City, Oregon T. J. Howell 1885-3
FH: 00848637 Plagiomnium venustum (Mitten) T. J. Koponen USA: Oregon [data not captured] T. J. Howell 1887
FH: 00848642 Plagiomnium venustum (Mitten) T. J. Koponen USA: Oregon Oregon City: [no additional data] T. J. Howell 1885-3
FH: 00848643 Plagiomnium venustum (Mitten) T. J. Koponen USA: Oregon [data not captured] T. J. Howell 1885-3
Neckeraceae FH: 00846808 Neckera douglasii Hooker USA: Oregon [no additional data] T. J. Howell 1880-3-26
FH: 00846809 Neckera douglasii Hooker USA: Oregon [no additional data] T. J. Howell
FH: 00846813 Neckera douglasii Hooker USA: Oregon [data not captured] T. J. Howell 1886-4-7
FH: 00919370 Porothamnium bigelovii (Sullivant) M. Fleischer USA: Oregon Portland: [data not captured] T. J. Howell 1880-4
FH: 00919373 Porothamnium bigelovii (Sullivant) M. Fleischer USA: Oregon [data not captured] T. J. Howell
Orchidaceae AMES: 02051596 Cephalanthera austiniae Bentham & Hooker f. USA: Oregon Coast Mountains T. J. Howell 1882-7-9
AMES: 01938192 Corallorhiza maculata (Rafinesque) Rafinesque USA: Oregon [no additional data] T. J. Howell 1882-7-10
AMES: 01938191 Corallorhiza maculata (Rafinesque) Rafinesque USA: Oregon [no additional data] T. J. Howell 1882-7-10
AMES: 01938472 Corallorhiza mertensiana Bongard USA: Oregon Cascade Mountains T. J. Howell 1880-8
GH: 01938467 Corallorhiza mertensiana Bongard USA: Oregon [no additional data] T. J. Howell 1882-7-10
GH: 01938468 Corallorhiza mertensiana Bongard USA: Oregon [no additional data] T. J. Howell 1882-7-10
GH: 01937661 Cypripedium californicum A. Gray USA: Oregon Eight Dollar Mt. T. J. Howell 1904-5-31
GH: 01937749 Cypripedium fasciculatum Kellogg ex S. Watson USA: Oregon Grave Creek T. J. Howell 1884-5-23
AMES: 01937840 Cypripedium montanum Douglas ex Lindley USA: Oregon Probably Oregon T. J. Howell 1880-5
AMES: 02051075 Listera convallarioides (Swartz) Nuttall ex Elliott USA: Oregon Deer Creek mountains T. J. Howell 724 1887-7-4
AMES: 02051080 Listera convallarioides (Swartz) Nuttall ex Elliott USA: Oregon Coast Mountains T. J. Howell 1882-7-9
AMES: 02063683 Platanthera dilatata leucostachys (Lindley) Luer : US and Canada (countries only and not Greenl... T. J. Howell 1880-06 1893-6-12
AMES: 02063957 Platanthera elegans Lindley USA: Oregon North Yamhill T. J. Howell 1882-7-8
AMES: 02050108 Platanthera sparsiflora (S. Watson) Schlechter USA: Oregon near Kerbyville T. J. Howell 33 1884-5-30
AMES: 02050171 Platanthera stricta Lindley USA: Oregon Coach Mts. T. J. Howell 1884-6-9
Orthotrichaceae FH: 00544989 Amphidium mougeotii (Bruch & Schimper) Schimper USA: Washington [data not captured] T. J. Howell 1882-8
FH: 00549973 Orthotrichum lyellii Hooker & Taylor USA: Oregon [data not captured] T. J. Howell 1886-4-7
FH: 00549976 Orthotrichum lyellii Hooker & Taylor USA: Oregon [no additional data] T. J. Howell 1880-3-26
FH: 00898057 Orthotrichum lyellii papillosum (Hampe) Sullivant & Lesquereux USA: Oregon [no additional data] T. J. Howell
FH: 00898058 Orthotrichum lyellii papillosum (Hampe) Sullivant & Lesquereux USA: Oregon [no additional data] T. J. Howell
FH: 00898070 Orthotrichum lyellii pringlei (Müller Halle) Grout USA: Oregon [data not captured] T. J. Howell 1886-4
FH: 00898071 Orthotrichum lyellii pringlei (Müller Halle) Grout USA: Oregon [data not captured] T. J. Howell 1886-4
FH: 00898072 Orthotrichum lyellii pringlei (Müller Halle) Grout USA: Oregon [data not captured] T. J. Howell 1886-4
FH: 00898207 Orthotrichum pulchellum Brunton USA: Oregon [data not captured] T. J. Howell 1886-4-7
FH: 00545893 Orthotrichum rupestre Schleicher ex Schwägrichen USA: Oregon [no additional data] T. J. Howell
FH: 00456048 Orthotrichum speciosum Nees USA: Oregon [data not captured] T. J. Howell 1880-3-26
FH: 01136797 Ulota phyllantha Bridel USA: Oregon [data not captured] T. J. Howell
FH: 01136801 Ulota phyllantha Bridel USA: Oregon [data not captured] T. J. Howell 1886-4
FH: 01136829 Ulota phyllantha Bridel USA: Alaska [data not captured] T. J. Howell 1812 1895-7-17
Papaveraceae GH: 00004553 Canbya aurea S. Watson USA: Oregon Sage planes T. J. Howell 330 1885-6-14
GH: 00257634 Meconella oregana Nuttall USA: Oregon Hood R. [River] T. J. Howell 205 1880-4
GH: 00257634 Platystigma oreganum Bentham & Hooker f. USA: Oregon Hood R. [River] T. J. Howell 205 1880-4
Parmeliaceae FH: 00511997 Usnea longissima Acharius USA: Oregon [no additional data] T. J. Howell
Pinaceae GH: 00339987 Picea alba Link USA: California Siskiyou Mountains at the head of the Illino... T. J. Howell 270 1884-6-17
GH: 00339987 Picea breweriana S. Watson USA: California Siskiyou Mountains at the head of the Illino... T. J. Howell 270 1884-6-17
A: 00355303 Picea breweriana S. Watson USA: California Siskiyou mountains, at head of Gelimais rive... T. J. Howell 1884-6-16
Plagiotheciaceae FH: 00849131 Plagiothecium denticulatum (Hedwig) Schimper : North America (CA, US, MX): [no additional d... T. J. Howell
FH: 00849137 Plagiothecium denticulatum (Hedwig) Schimper USA: Oregon Oregon City: [no additional data] T. J. Howell 1885
FH: 00849341 Plagiothecium undulatum (Hedwig) Schimper USA: Oregon Portland: [no additional data] T. J. Howell 1883
Plantaginaceae GH: 01046269 Antirrhinum vexillocalyculatum breweri (A. Gray) D. M. Thompson USA: Oregon [data not captured] T. J. Howell 1887-6-30
GH: 00466896 Callitriche marginata Torrey USA: Oregon [data not captured] T. J. Howell
GH: 01998407 Collinsia grandiflora Douglas USA: Oregon [data not captured] T. J. Howell 263 1877-6
GH: 01998388 Collinsia grandiflora Douglas USA: Oregon [data not captured] T. J. Howell 1884
GH: 01998451 Collinsia grandiflora pusilla A. Gray USA: Oregon [data not captured] T. J. Howell 264 1877-5
GH: 01998812 Collinsia parviflora Lindley USA: Oregon [data not captured] T. J. Howell 265 1877-5
GH: 01998912 Collinsia rattanii A. Gray USA: Oregon [data not captured] T. J. Howell 507 1885-5-10
GH: 01998945 Collinsia rattanii linearis (A. Gray) Newsom USA: Oregon [data not captured] T. J. Howell 229 1884-6
GH: 01998995 Collinsia sparsiflora bruceae (M. E. Jones) Newsom USA: Oregon [data not captured] T. J. Howell 653 1887-4-15
GH: 01999447 Gratiola ebracteata Bentham ex A. de Candolle USA: Oregon [data not captured] T. J. Howell 772 1887-4
GH: 01999691 Gratiola neglecta Torrey USA: Oregon [data not captured] T. J. Howell 278 1877-6
GH: 02001444 Nothochelone nemorosa (Douglas) Straw USA: Oregon [data not captured] T. J. Howell 108 1878
GH: 02001786 Nuttallanthus texanus (Scheele) D. A. Sutton USA: Oregon [data not captured] T. J. Howell 643 1887-4-30
GH: 02001783 Nuttallanthus texanus (Scheele) D. A. Sutton USA: Oregon [data not captured] T. J. Howell 266 1877-5
GH: 02001860 Penstemon acuminatus Douglas ex Lindley USA: Oregon [data not captured] T. J. Howell 587 1886-6
GH: 00091240 Penstemon dayanus Howell USA: Oregon Muddy [Station, John Day Valley] T. J. Howell 54 1885-5-12
GH: 02118876 Penstemon deustus Douglas USA: Oregon [data not captured] T. J. Howell 232 1884-5-23
GH: 02118871 Penstemon deustus Douglas USA: Oregon [data not captured] T. J. Howell 1885-5-19
GH: 02119425 Penstemon euglaucus English USA: Oregon [data not captured] T. J. Howell 600 1886-8-1
GH: 02119679 Penstemon gairdneri Hooker USA: Oregon [data not captured] T. J. Howell 509 1885-5-26
GH: 02120461 Penstemon humilis Nuttall ex A. Gray USA: Oregon [data not captured] T. J. Howell 510 1885-6-19
GH: 02120664 Penstemon laetus sagittatus (D. D. Keck) McMinn USA: Oregon [data not captured] T. J. Howell 710 1887-7-19
GH: 02121335 Penstemon ovatus Douglas ex Hooker USA: Oregon [data not captured] T. J. Howell 584 1886-6
GH: 02122125 Penstemon richardsonii Douglas ex Lindley USA: Oregon [data not captured] T. J. Howell 586 1886
GH: 02122190 Penstemon roezlii Regel USA: Oregon [data not captured] T. J. Howell 230 1884-5
GH: 02122400 Penstemon seorsus (A. Nelson) D. D. Keck USA: Oregon [data not captured] T. J. Howell 512 1885-6-6
GH: 02122490 Penstemon serrulatus Menzies ex Smith USA: Oregon [data not captured] T. J. Howell 585 1886
GH: 02122651 Penstemon speciosus Douglas USA: Oregon [data not captured] T. J. Howell 251 1879
GH: 02122669 Penstemon speciosus Douglas USA: Oregon [data not captured] T. J. Howell 513 1885-5-17
GH: 01802081 Plantago elongata Pursh USA: Oregon [data not captured] T. J. Howell 261 1877-5
GH: 01803661 Plantago patagonica Jacquin USA: Oregon [data not captured] T. J. Howell 260 1877-6
Poaceae GH: 00022963 Agrostis foliosa Vasey USA: Oregon Mount Hood T. J. Howell 1881-8
GH: 00354309 Agrostis humilis Vasey USA: Washington Mount Adams T. J. Howell 1882-8
GH: 00022963 Agrostis pallens Trinius USA: Oregon Mount Hood T. J. Howell 1881-8
GH: 00023017 Alopecurus saccatus Vasey USA: Oregon T. J. Howell 1881
GH: 00936704 Calamagrostis howellii Vasey USA: Oregon [no additional data] T. J. Howell 1881
GH: 00023733 Festuca microstachys grayi Abrams USA: Oregon Grant's Pass T. J. Howell 1884-5-24
GH: 00361147 Lepturus bolanderi Thurber USA: Oregon near Grant's Pass T. J. Howell 1884-5-20
GH: 00360527 Phalaris caroliniana Walter USA: Oregon Grant's Pass T. J. Howell 1884-5-25
GH: 00354411 Poa abbreviata R. Brown USA: Oregon Tillamook T. J. Howell
GH: 00024252 Poa acutiglumis Scribner USA: Oregon Grave Creek T. J. Howell 1884-5-21
GH: 00024321 Poa alpina purpurascens Vasey USA: Oregon Mount Hood, alt. 4000-6000 feet T. J. Howell 1881
GH: 00354411 Poa confinis Vasey USA: Oregon Tillamook T. J. Howell
GH: 00024300 Poa howellii Vasey & Scribner USA: Oregon T. J. Howell 25 1881
GH: 00024314 Poa paddensis T. A. Williams USA: Oregon Mount Hood T. J. Howell 1881-8
GH: 00024321 Poa purpurascens Vasey USA: Oregon Mount Hood, alt. 4000-6000 feet T. J. Howell 1881
GH: 00024252 Poa scabrella (Thurber) Bentham ex Vasey USA: Oregon Grave Creek T. J. Howell 1884-5-21
GH: 00023733 Vulpia microstachys confusa (Piper) Lonard & Gould USA: Oregon Grant's Pass T. J. Howell 1884-5-24
Polemoniaceae GH: 01092598 Collomia tinctoria Kellogg USA: Oregon Top of Siskiyou Mts. Oregon T. J. Howell 205 1884-6
GH: 00444106 Gilia capillaris Kellogg USA: Oregon Waldo, Oregon T. J. Howell 1884
GH: 00444106 Gilia leptalea capillaris (Kellogg) Brand USA: Oregon Waldo, Oregon T. J. Howell 1884
GH: 00444106 Gilia linearifolia Howell USA: Oregon Waldo, Oregon T. J. Howell 1884
GH: 01000488 Gilia millefoliata Fischer & C. A. Meyer USA: Oregon Chetco, Oregon T. J. Howell 206 1884-6
GH: 01000488 Gilia millefoliata maritima Brand USA: Oregon Chetco, Oregon T. J. Howell 206 1884-6
GH: 01000488 Gilia tricolor Bentham USA: Oregon Chetco, Oregon T. J. Howell 206 1884-6
GH: 01104594 Leptosiphon bicolor Nuttall USA: T. J. Howell
GH: 00444106 Navarretia linearifolia (Howell) L. A. Johnson USA: Oregon Waldo, Oregon T. J. Howell 1884
GH: 00091482 Polemonium carneum luteum A. Gray USA: Oregon Cascade Mountains T. J. Howell 485 1885-6-22
Polygonaceae GH: 01966913 Eriogonum douglasii sublineare (S. Stokes) Reveal USA: Oregon [data not captured] T. J. Howell 533 1877
GH: 00036476 Eriogonum pendulum S. Watson USA: Oregon Waldo T. J. Howell 71S 1887-7-7
GH: 01966424 Eriogonum roseum Durand & Hilgard USA: Oregon [data not captured] T. J. Howell 716 1887-7-16
GH: 00036558 Eriogonum ternatum Howell USA: Oregon Rogue River, Waldo T. J. Howell 258 1904-6-19
GH: 01962087 Eriogonum vimineum Douglas ex Bentham USA: Oregon [data not captured] T. J. Howell 717 1887-7-16
GH: 02362282 Persicaria maculosa Gray USA: Oregon [data not captured] T. J. Howell 349 1877-7-18
GH: 02007312 Polygonum polygaloides kelloggii (Greene) J. C. Hickman USA: Oregon [data not captured] T. J. Howell 715 1887-7-19
GH: 02007866 Polygonum spergulariiforme Meisner ex Small USA: Oregon [data not captured] T. J. Howell 713 1887-7-10
GH: 02005877 Rumex occidentalis S. Watson USA: Oregon [data not captured] T. J. Howell 355 1877-6
GH: 02004069 Rumex pulcher Linnaeus USA: Oregon [data not captured] T. J. Howell 712 1887-6-16
Polytrichaceae FH: 00522636 Atrichum selwynii Austin USA: Oregon [data not captured] T. J. Howell
FH: 00850547 Pogonatum contortum (Menzies ex Bridel) Lesquereux USA: Alaska [data not captured] T. J. Howell 1895-9-1
FH: 00850644 Pogonatum dentatum (Menzies ex Bridel) Bridel USA: Alaska [data not captured] T. J. Howell 1832 1895-8-15
FH: 00917223 Polytrichastrum alpinum (Hedwig) G. L. Smith USA: Oregon [data not captured] T. J. Howell 1882-7
FH: 00917272 Polytrichastrum alpinum (Hedwig) G. L. Smith USA: Alaska [data not captured] T. J. Howell 1833 1895-6-30
FH: 00917478 Polytrichastrum lyallii (Mitten) G. L. Smith USA: Washington [data not captured] T. J. Howell 1886
FH: 00917479 Polytrichastrum lyallii (Mitten) G. L. Smith USA: Washington [data not captured] T. J. Howell 1882-8
FH: 00918684 Polytrichum juniperinum Hedwig : North America (CA, US, MX): [no additional d... T. J. Howell
FH: 00918712 Polytrichum juniperinum Hedwig USA: Oregon [no additional data] T. J. Howell
FH: 00919315 Polytrichum piliferum Hedwig USA: Oregon [data not captured] T. J. Howell 1880-6
Portulacaceae GH: 00037510 Calandrinia cotyledon S. Watson USA: California Near Preston's Peak, Siskiyou Mountains T. J. Howell 1884-6-16
GH: 00037512 Calandrinia howellii S. Watson USA: Oregon Deer Creek Mountains T. J. Howell 732 1887-7-4
GH: 00037513 Calandrinia oppositifolia S. Watson USA: Oregon Waldo T. J. Howell 1884-6-5
GH: 00037510 Lewisia cotyledon cotyledon USA: California Near Preston's Peak, Siskiyou Mountains T. J. Howell 1884-6-16
GH: 00037513 Lewisia oppositifolia (S. Watson) B. L. Robinson USA: Oregon Waldo T. J. Howell 1884-6-5
Potamogetonaceae GH: 01688385 Potamogeton illinoensis Morong USA: Oregon Harvey [Valley?] T. J. Howell 553 1885-6-10
GH: 01746471 Potamogeton richardsonii (A. Bennett) Rydberg USA: Oregon [data not captured] T. J. Howell 364 1877-7
Pottiaceae FH: 00516464 Barbula vinealis Bridel USA: Oregon [no additional data] T. J. Howell 1880-5-8
FH: 01135672 Tortula princeps De Notaris USA: Oregon [data not captured] T. J. Howell 1881-3
FH: 01135675 Tortula princeps De Notaris USA: Oregon [data not captured] T. J. Howell
Pterobryaceae FH: 00847194 Neckeradelphus menziesii (Drummond) Steere USA: Oregon [data not captured] T. J. Howell 1886-2
Ptychomitriaceae FH: 00920313 Ptychomitrium gardneri Lesquereux USA: Oregon [no additional data] T. J. Howell
Pucciniaceae FH: 00955632 Puccinia harknessii Vize USA: California Santa Monica: [no additional data] T. J. Howell 1929-6-28
FH: 00995577 Puccinia sp. USA: Oregon E. Oregon T. J. Howell 1885-6
Ranunculaceae GH: 00263684 Ranunculus ciliosus Howell USA: Oregon Bear Valley, Blue Mountains T. J. Howell 324 1885-5-23
GH: 00283827 Ranunculus glaberrimus reconditus (A. Nelson & J. F. Macbride) L. D. Benson USA: Washington Near Goldendale T. J. Howell 1882-4-20
GH: 00283827 Ranunculus hookeri Schlechtendal USA: Washington Near Goldendale T. J. Howell 1882-4-20
GH: 00263684 Ranunculus occidentalis Nuttall USA: Oregon Bear Valley, Blue Mountains T. J. Howell 324 1885-5-23
GH: 00263685 Ranunculus occidentalis Nuttall USA: Oregon Bear Valley, Blue Mountains T. J. Howell 1885-5-24
GH: 00283827 Ranunculus triternatus A. Gray USA: Washington Near Goldendale T. J. Howell 1882-4-20
Rhamnaceae A: 00425387 Ceanothus thyrsiflorus Eschscholtz USA: California Coast Mountains T. J. Howell 1884-6-12
Rhytidiaceae FH: 00900498 Rhytidiadelphus loreus (Hedwig) Warnstorf USA: Oregon [data not captured] T. J. Howell 1882-3
FH: 00900501 Rhytidiadelphus loreus (Hedwig) Warnstorf USA: Oregon [no additional data] T. J. Howell 1880-3-26
FH: 00900911 Rhytidiadelphus triquetrus (Hedwig) Warnstorf USA: Oregon Oregon City: [no additional data] T. J. Howell
FH: 00900912 Rhytidiadelphus triquetrus (Hedwig) Warnstorf USA: Oregon Oregon City: [no additional data] T. J. Howell 1885-3
Rosaceae A: 00002848 Crataegus columbiana Sargent USA: Oregon Bates Station T. J. Howell 1896-5-18
GH: 00443813 Horkelia caruifolia Rydberg ex Howell USA: Oregon Ashland: T. J. Howell 685 1887-7-16
GH: 00443855 Horkelia congesta Douglas ex Hooker USA: Oregon Waldo T. J. Howell 1884-6-19
GH: 00443813 Horkelia daucifolia (Greene) Rydberg USA: Oregon Ashland: T. J. Howell 685 1887-7-16
GH: 00443813 Horkelia daucifolia caruifolia (Rydberg ex Howell) Ertter & Reveal USA: Oregon Ashland: T. J. Howell 685 1887-7-16
GH: 00443819 Horkelia fusca Lindley USA: Oregon Ashland Butte Siskiyou mountains T. J. Howell 683 1887-7-18
GH: 00443819 Horkelia hendersonii Howell USA: Oregon Ashland Butte Siskiyou mountains T. J. Howell 683 1887-7-18
GH: 00443813 Horkelia hirsuta Lindley USA: Oregon Ashland: T. J. Howell 685 1887-7-16
GH: 00443855 Horkelia howellii (Greene) Rydberg USA: Oregon Waldo T. J. Howell 1884-6-19
GH: 00443826 Horkelia sericata S. Watson USA: Oregon Summit of Coast Mts. T. J. Howell 1884-6-12
GH: 00443855 Horkelia sp. USA: Oregon Waldo T. J. Howell 1884-6-19
GH: 00443855 Potentilla howellii Greene USA: Oregon Waldo T. J. Howell 1884-6-19
Rubiaceae GH: 02358621 Galium bifolium S. Watson USA: Oregon [data not captured] T. J. Howell 134 1884-6
GH: 02358656 Galium bolanderi A. Gray USA: Oregon [data not captured] T. J. Howell 1370 1889-5
GH: 02359896 Galium glabrescens josephinense Dempster & Ehrendorfer USA: Oregon [data not captured] T. J. Howell 135 1884-6
GH: 02138769 Galium oreganum Britton USA: Oregon [data not captured] T. J. Howell 183 1877-6
GH: 02139208 Galium pomerianicum Retzius USA: Oregon [data not captured] T. J. Howell 1884-5
Salicaceae GH: 00030938 Salix commutata sericea Bebb USA: Oregon North side of Mount Hood T. J. Howell 1886-8-1
Sarraceniaceae GH: 01678347 Darlingtonia californica Torrey USA: Oregon "Eightdollar Mt." Waldo Co. T. J. Howell 1884-5-30
Saxifragaceae GH: 00242939 Cascadia nuttallii (Small) A. M. Johnson USA: Oregon T. J. Howell 1877
GH: 00057116 Heuchera cuneata Howell USA: Oregon Harney Valley T. J. Howell 1885-5-28
GH: 00589780 Micranthes rufidula Small USA: Oregon Multinomah Co., Oregon T. J. Howell 152 1877-6
GH: 00242939 Saxifraga elegans Nuttall ex Torrey & A. Gray USA: Oregon T. J. Howell 1877
GH: 00242939 Saxifraga nuttallii Small USA: Oregon T. J. Howell 1877
GH: 00043109 Saxifraga oregana Howell USA: Oregon T. J. Howell 95 1878
Scrophulariaceae GH: 00365928 Diplacus aurantiacus (Curtis) Jepson USA: California Smith River T. J. Howell 1884-5
GH: 00549357 Erythranthe dentata (Nuttall ex Bentham) G. L. Nesom USA: Oregon T. J. Howell 439 1884
GH: 01842685 Erythranthe pulsiferae (A. Gray) G. L. Nesom USA: Oregon [data not captured] T. J. Howell 236 1884-5
GH: 00078352 Eunanus cusickii Greene USA: Oregon T. J. Howell 514 1885-6-16
GH: 00365928 Mimulus aurantiacus Curtis USA: California Smith River T. J. Howell 1884-5
GH: 00078724 Mimulus bigelovii ovatus A. Gray USA: Oregon T. J. Howell 515 1885-5-12
GH: 00078724 Mimulus cusickii (Greene) Rattan USA: Oregon T. J. Howell 515 1885-5-12
GH: 00078352 Mimulus cusickii (Greene) Rattan USA: Oregon T. J. Howell 514 1885-6-16
GH: 00549357 Mimulus dentatus Nuttall ex Bentham USA: Oregon T. J. Howell 439 1884
GH: 00078724 Mimulus nanus Hooker & Arnott USA: Oregon T. J. Howell 515 1885-5-12
GH: 00078352 Mimulus sp. USA: Oregon T. J. Howell 514 1885-6-16
Seligeriaceae FH: 00787303 Blindia acuta (Hedwig) Bruch & Schimper USA: Oregon [data not captured] T. J. Howell 49
FH: 00787305 Blindia acuta (Hedwig) Bruch & Schimper USA: Oregon [no additional data] T. J. Howell
Sphagnaceae FH: 00922647 Sphagnum girgensohnii cristatum Russow USA: Alaska [data not captured] T. J. Howell 1895-8-10
FH: 00922698 Sphagnum girgensohnii strictum Russow USA: Alaska [data not captured] T. J. Howell 1895-8-28
FH: 00923056 Sphagnum lindbergii macrophyllum Warnstorf USA: Alaska [data not captured] T. J. Howell 1895-8
FH: 00923057 Sphagnum lindbergii macrophyllum Warnstorf USA: Alaska [data not captured] T. J. Howell 1895-8
FH: 00925119 Sphagnum sp. USA: Oregon [data not captured] T. J. Howell 1881-5
FH: 00925425 Sphagnum sp. USA: Alaska [data not captured] T. J. Howell 1804 1895-8-20
Splachnaceae FH: 00838390 Hookeria lucens (Hedwig) Swartz USA: Oregon Portland: [data not captured] T. J. Howell 1881-5
FH: 01132136 Splachnum sphaericum Hedwig USA: Alaska [data not captured] T. J. Howell 1826 1895-8-20
FH: 01132642 Tayloria serrata (Hedwig) Bruch & Schimper USA: Oregon Oregon City: [no additional data] T. J. Howell 1885-3
FH: 01132657 Tayloria serrata (Hedwig) Bruch & Schimper USA: Alaska [data not captured] T. J. Howell 1895-8
Thuidiaceae FH: 00538459 Claopodium crispifolium (Hooker) Renauld & Cardot USA: Oregon [no additional data] T. J. Howell 1888-3-26
FH: 00538462 Claopodium crispifolium (Hooker) Renauld & Cardot USA: Oregon [data not captured] T. J. Howell 1882-2
Verbenaceae GH: 01955165 Verbena hastata Linnaeus USA: Oregon [no additional data] T. J. Howell 292 1877-7
Violaceae GH: 00056275 Viola howellii A. Gray USA: Oregon Near Portland T. J. Howell 1883-5-24
GH: 00872851 Viola lanceolata Linnaeus USA: Oregon near Waldo T. J. Howell 1884-6-5
GH: 00872852 Viola lanceolata Linnaeus USA: Oregon near Waldo T. J. Howell 1884-6-5
GH: 00872853 Viola lanceolata Linnaeus USA: Oregon near Waldo, Oregon T. J. Howell 68 1884-6-5
GH: 00872853 Viola occidentalis (A. Gray) Howell USA: Oregon near Waldo, Oregon T. J. Howell 68 1884-6-5
GH: 00381883 Viola palustris Linnaeus USA: California Siskiyou Mountains T. J. Howell 73 1884-6-17
GH: 00872851 Viola primulifolia occidentalis (A. Gray) L. E. McKinney & R. J. Little USA: Oregon near Waldo T. J. Howell 1884-6-5
GH: 00872852 Viola primulifolia occidentalis (A. Gray) L. E. McKinney & R. J. Little USA: Oregon near Waldo T. J. Howell 1884-6-5
GH: 00872853 Viola primulifolia occidentalis (A. Gray) L. E. McKinney & R. J. Little USA: Oregon near Waldo, Oregon T. J. Howell 68 1884-6-5
GH: 00872851 Viola primulifolia occidentalis A. Gray USA: Oregon near Waldo T. J. Howell 1884-6-5
GH: 00872852 Viola primulifolia occidentalis A. Gray USA: Oregon near Waldo T. J. Howell 1884-6-5
GH: 00872853 Viola primulifolia occidentalis A. Gray USA: Oregon near Waldo, Oregon T. J. Howell 68 1884-6-5
