<< < Previous Apiaceae GH: 00257753 Lomatium brevifolium (J. M. Coulter & Rose) J. M. Coulter & Rose : J. Howell & T. J. Howell 379 1881
GH: 00257753 Lomatium triternatum brevifolium (J. M. Coulter & Rose) Mathias : J. Howell & T. J. Howell 379 1881
GH: 00257753 Peucedanum ambiguum (Nuttall) Nuttall ex Torrey & A. Gray : J. Howell & T. J. Howell 379 1881
GH: 00257753 Peucedanum triternatum brevifolium J. M. Coulter & Rose : J. Howell & T. J. Howell 379 1881
Asteraceae GH: 00000916 Antennaria latisqauma Piper USA: Washington Klickitat: J. Howell & T. J. Howell 417 1882-5
GH: 02141916 Apargidium boreale (Bongard) Torrey & A. Gray USA: Oregon [data not captured] J. Howell & T. J. Howell 1881-8
GH: 00002943 Aster elegans (Nuttall) Torrey & A. Gray USA: Washington Mt. Adams, W. T. J. Howell & T. J. Howell 401 1882-8
GH: 00002943 Aster engelmanni glaucescens A. Gray USA: Washington Mt. Adams, W. T. J. Howell & T. J. Howell 401 1882-8
GH: 00002943 Aster glaucescens (A. Gray) S. F. Blake USA: Washington Mt. Adams, W. T. J. Howell & T. J. Howell 401 1882-8
GH: 02206084 Erigeron chrysopsidis A. Gray USA: [data not captured] J. Howell & T. J. Howell 260 1880-5
GH: 00006761 Erigeron salsuginosus howellii A. Gray USA: Oregon J. Howell & T. J. Howell
GH: 00002943 Eucephalus glaucescens (A. Gray) Greene USA: Washington Mt. Adams, W. T. J. Howell & T. J. Howell 401 1882-8
Brassicaceae GH: 00018658 Arabis furcata S. Watson USA: Oregon Bluffs of the Columbia, near mouth of the Ho... J. Howell & T. J. Howell 1882-5-18
GH: 00932870 Boechera howellii (S. Watson) Windham & Al-Shehbaz USA: Oregon [data not captured] J. Howell & T. J. Howell 309 1880-9
GH: 00983842 Cardamine occidentalis (S. Watson) Howell USA: Oregon [data not captured] J. Howell & T. J. Howell 409 1881-6
GH: 01561104 Draba reptans (Lamarck) Fernald USA: Oregon [data not captured] J. Howell & T. J. Howell 387 1882-5
GH: 01548454 Lepidium dictyotum acutidens A. Gray USA: Oregon [data not captured] J. Howell & T. J. Howell 385 1882-5
Caryophyllaceae GH: 00274844 Arenaria pusilla S. Watson USA: Oregon The Dalles: J. Howell & T. J. Howell 347
GH: 00274844 Minuartia pusilla (S. Watson) Mattfeld USA: Oregon The Dalles: J. Howell & T. J. Howell 347
Convolvulaceae GH: 00054302 Calystegia atriplicifolia H. Hallier USA: Oregon J. Howell & T. J. Howell 74?
Crassulaceae GH: 00042425 Cotyledon oregonensis S. Watson USA: Oregon Cascade Mts. J. Howell & T. J. Howell 322 1880-7
GH: 00042425 Sedum oregonense (S. Watson) M. Peck USA: Oregon Cascade Mts. J. Howell & T. J. Howell 322 1880-7
GH: 01990251 Sedum stenopetalum stenopetalum R. T. Clausen USA: Oregon Milwaukee J. Howell & T. J. Howell 1880-6
Ericaceae GH: 01719318 Monotropa hypopitys Linnaeus USA: Oregon Cascade Mts. J. Howell & T. J. Howell 1880-8
GH: 01683171 Phyllodoce empetriformis (Smith) D. Don USA: Oregon [data not captured] J. Howell & T. J. Howell 376
GH: 01761971 Pyrola picta Smith USA: Washington [data not captured] J. Howell & T. J. Howell 332 1880-7
Fabaceae GH: 00058721 Astragalus diaphanus Douglas ex Hooker USA: Oregon Scott's Bridge, John Day River J. Howell & T. J. Howell 1882-5
GH: 00058721 Astragalus drepanolobus A. Gray USA: Oregon Scott's Bridge, John Day River J. Howell & T. J. Howell 1882-5
GH: 02177042 Lupinus lyallii A. Gray USA: Oregon [data not captured] J. Howell & T. J. Howell 314 1880-7
GH: 02128310 Lupinus saxosus Howell USA: Oregon [data not captured] J. Howell & T. J. Howell 1882-5-20
GH: 02130176 Melilotus albus Medikus USA: Oregon [data not captured] J. Howell & T. J. Howell 317 1880-7
Hydrophyllaceae GH: 00093351 Phacelia howellii J. F. Macbride USA: Oregon J. Howell & T. J. Howell 369
Isoetaceae GH: 00021430 Isoetes howellii Engelmann USA: Oregon The Dalles: J. Howell & T. J. Howell
Liliaceae GH: 01540725 Hornungia procumbens (Linnaeus) Hayek USA: Oregon [data not captured] J. Howell & T. J. Howell 1882-5
Orchidaceae AMES: 02063959 Platanthera elegans Lindley USA: Washington Simcoe Mts. J. Howell & T. J. Howell 353 1880-7
AMES: 02050172 Platanthera stricta Lindley USA: Oregon [illegible] Mts. J. Howell & T. J. Howell 302 1880-7
Plantaginaceae GH: 02119706 Penstemon gairdneri oregonus A. Gray USA: Washington [data not captured] J. Howell & T. J. Howell 344 1880-7
GH: 02121348 Penstemon ovatus Douglas ex Hooker USA: Washington [data not captured] J. Howell & T. J. Howell 345 1880-7
Poaceae GH: 00936676 Alopecurus saccatus Vasey USA: Oregon East slope of Cascade Mts. J. Howell & T. J. Howell 1881-6
GH: 00023290 Calamagrostis howellii Vasey USA: Oregon the Columbia River below the Cascades J. Howell & T. J. Howell 356 1880-6
Polemoniaceae GH: 01105472 Leptosiphon harknessii (Curran) J. M. Porter & L. A. Johnson USA: Washington [data not captured] J. Howell & T. J. Howell 290 1880-7
GH: 00274979 Navarretia divaricata (Torrey ex A. Gray) Greene USA: Oregon J. Howell & T. J. Howell 372
Polygonaceae GH: 00267416 Polygonum douglasii nuttalli (Small) Hickman USA: Oregon Saint Helens: J. Howell & T. J. Howell 422 1882-9
GH: 00267416 Polygonum intermedium Nuttall ex S. Watson USA: Oregon Saint Helens: J. Howell & T. J. Howell 422 1882-9
GH: 02360955 Polygonum minimum S. Watson USA: Washington [data not captured] J. Howell & T. J. Howell 421 1882-8
GH: 00267416 Polygonum nuttallii Small USA: Oregon Saint Helens: J. Howell & T. J. Howell 422 1882-9
GH: 02007868 Polygonum spergulariiforme Meisner ex Small USA: Oregon [data not captured] J. Howell & T. J. Howell 419 1881-9
Portulacaceae GH: 00012320 Montia howellii S. Watson USA: Oregon Sauvie's Island J. Howell & T. J. Howell 1883-5-6
Primulaceae GH: 00073396 Douglasia laevigata A. Gray USA: Oregon Mountains near Mount Hood J. Howell & T. J. Howell 1880
Ranunculaceae GH: 00038318 Myosurus sessilis S. Watson USA: Oregon J. Howell & T. J. Howell 383 1882-5-20
Scrophulariaceae GH: 02412138 Erythranthe rubella (A. Gray) N. S. Fraga USA: Oregon Simcoe Mts., W. [?]. J. Howell & T. J. Howell 297 1880-7
GH: 02412169 Erythranthe rubella (A. Gray) N. S. Fraga USA: Oregon Siscoe Mts., W. [?]. J. Howell & T. J. Howell 632 1880-7
GH: 02412138 Eunanus breweri Greene USA: Oregon Simcoe Mts., W. [?]. J. Howell & T. J. Howell 297 1880-7
GH: 02412169 Eunanus breweri Greene USA: Oregon Siscoe Mts., W. [?]. J. Howell & T. J. Howell 632 1880-7
GH: 02412138 Mimulus rubellus A. Gray USA: Oregon Simcoe Mts., W. [?]. J. Howell & T. J. Howell 297 1880-7
GH: 02412169 Mimulus rubellus A. Gray USA: Oregon Siscoe Mts., W. [?]. J. Howell & T. J. Howell 632 1880-7