Harvard University Herbaria & Libraries

Asteraceae
GH: 02206084 Erigeron chrysopsidis A. Gray USA: [data not captured] J. Howell & T. J. Howell 260 1880-5
Brassicaceae
GH: 00932870 Boechera howellii (S. Watson) Windham & Al-Shehbaz USA: Oregon [data not captured] J. Howell & T. J. Howell 309 1880-9
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: 01761971 Pyrola picta Smith USA: Washington [data not captured] J. Howell & T. J. Howell 332 1880-7
Fabaceae
GH: 02177042 Lupinus lyallii A. Gray USA: Oregon [data not captured] J. Howell & T. J. Howell 314 1880-7
GH: 02130176 Melilotus albus Medikus USA: Oregon [data not captured] J. Howell & T. J. Howell 317 1880-7
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: 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
Primulaceae
GH: 00073396 Douglasia laevigata A. Gray USA: Oregon Mountains near Mount Hood J. Howell & T. J. Howell 1880
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