Harvard University Herbaria & Libraries

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
Asteraceae
GH: 00404077 Brickellia greenei A. Gray USA: Oregon Waldo T. J. Howell 739 1887-7-7
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: 00006622 Erigeron aliceae Howell USA: Oregon Siskiyou Mountains T. J. Howell 749 1887-7-8
GH: 00006650 Erigeron cervinus Greene USA: Oregon Deer Creek Mountains T. J. Howell 748 1887-7-4
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
Boraginaceae
GH: 00093304 Allocarya calycosa Piper USA: Oregon Umpqua Valley T. J. Howell s.n. (p.p.) 1887-6
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: 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
Brassicaceae
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: 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: 01783936 Boechera suffrutescens (S. Watson) Dorn USA: Oregon [data not captured] T. J. Howell 1887-7
GH: 00983834 Cardamine nuttallii gemmata (Greene) Rollins USA: Oregon [data not captured] T. J. Howell 624 1887-4-25
GH: 00018921 Cardamine quercetorum Howell USA: Oregon Silverton: T. J. Howell 663 1887-3
GH: 01103684 Draba brachycarpa Nuttall USA: Oregon [data not captured] T. J. Howell 625 1887-4-10
Crassulaceae
GH: 01871868 Crassula connata A. Berger USA: Oregon Umpqua Valley T. J. Howell 644 1887-4-12
GH: 01991550 Sedum lanceolatum Torrey USA: Oregon Ashland Butte. Siskiyou mountains T. J. Howell 691 1887-7-18
Fabaceae
GH: 00058952 Astragalus sylvaticus S. Watson USA: Oregon Dense forests at Glendale T. J. Howell 674 1887-6-30
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: 02128394 Lupinus sellulus ursinus (Eastwood) B. J. Cox USA: Oregon [data not captured] T. J. Howell 670 1887-7-18
GH: 00063463 Thermopsis gracilis Howell USA: Oregon South Oregon T. J. Howell 669 1887
GH: 02619516 Trifolium depauperatum Desvaux USA: Oregon [data not captured] T. J. Howell 638 1887-4-16
GH: 00063503 Trifolium howellii S. Watson USA: Oregon Siskiyou Mountains T. J. Howell 671 1887-7-11
GH: 02464266 Trifolium obtusiflorum Hooker USA: Oregon Roseburg: [no additional data] T. J. Howell 672 1887-6-25
Grimmiaceae
FH: 00623930 Racomitrium heterostichum (Hedwig) Bridel USA: Oregon [no additional data] T. J. Howell 1887
Juncaceae
GH: 02099911 Juncus bolanderi Engelmann USA: Oregon [data not captured] T. J. Howell 729 1887-6-25
GH: 02401966 Juncus longistylis Torrey USA: Oregon [data not captured] T. J. Howell 731 1887-7-1
GH: 02399256 Juncus oxymeris Engelmann USA: Oregon [data not captured] T. J. Howell 728 1887-7-1
Lamiaceae
GH: 00400751 Pogogyne douglasii Bentham USA: Oregon Central Point T. J. Howell 777 1887-7-18
Liliaceae
GH: 00029861 Calochortus howellii S. Watson USA: Oregon Roseburg T. J. Howell 727 1887-6-7
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
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: 01181358 Limnanthes pumila Howell USA: Oregon [data not captured] T. J. Howell 635 1887-4-16
Meesiaceae
FH: 00845226 Meesia longiseta Hedwig USA: Washington [data not captured] T. J. Howell 1887
Mniaceae
FH: 00848637 Plagiomnium venustum (Mitten) T. J. Koponen USA: Oregon [data not captured] T. J. Howell 1887
Orchidaceae
AMES: 02051075 Listera convallarioides (Swartz) Nuttall ex Elliott USA: Oregon Deer Creek mountains T. J. Howell 724 1887-7-4
Plantaginaceae
GH: 01046269 Antirrhinum vexillocalyculatum breweri (A. Gray) D. M. Thompson USA: Oregon [data not captured] T. J. Howell 1887-6-30
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: 02001786 Nuttallanthus texanus (Scheele) D. A. Sutton USA: Oregon [data not captured] T. J. Howell 643 1887-4-30
GH: 02120664 Penstemon laetus sagittatus (D. D. Keck) McMinn USA: Oregon [data not captured] T. J. Howell 710 1887-7-19
Polygonaceae
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: 01962087 Eriogonum vimineum Douglas ex Bentham USA: Oregon [data not captured] T. J. Howell 717 1887-7-16
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: 02004069 Rumex pulcher Linnaeus USA: Oregon [data not captured] T. J. Howell 712 1887-6-16
Portulacaceae
GH: 00037512 Calandrinia howellii S. Watson USA: Oregon Deer Creek Mountains T. J. Howell 732 1887-7-4
Rosaceae
GH: 00443813 Horkelia caruifolia Rydberg ex Howell USA: Oregon Ashland: T. J. Howell 685 1887-7-16
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