Harvard University Herbaria & Libraries

Brassicaceae
GH: 01540811 Idahoa scapigera (Hooker) A. Nelson & J. F. Macbride USA: Washington [data not captured] J. Howell 1878-3
Ericaceae
GH: 01117476 Arctostaphylos nevadensis A. Gray USA: Oregon Mount Hood J. Howell 104 1878
Fabaceae
GH: 00058907 Astragalus reventus A. Gray USA: Washington Klickitat Valley J. Howell 1878
GH: 00058907 Cnemidophacos reventiformis Rydberg USA: Washington Klickitat Valley J. Howell 1878
AMES: 02050785 Listera caurina Piper USA: Oregon Near Mt. Hood J. Howell 1878
AMES: 02050792 Listera caurina Piper USA: Oregon Near Mt. Hood J. Howell 1878-6
Liliaceae
GH: 00026442 Tofieldia glutinosa occidentalis (S. Watson) C. L. Hitchcock USA: Oregon Cascade Mountains J. Howell 1878
GH: 00026442 Tofieldia occidentalis S. Watson USA: Oregon Cascade Mountains J. Howell 1878
GH: 00026442 Triantha occidentalis (S.Watson) R.R.Gates USA: Oregon Cascade Mountains J. Howell 1878
Orchidaceae
AMES: 02051591 Cephalanthera austiniae Bentham & Hooker f. USA: Oregon Portland: [no additional data] J. Howell 1878-6
GH: 01938456 Corallorhiza mertensiana Bongard USA: Oregon Cascade Mts. J. Howell 1878-6
Portulacaceae
GH: 00353735 Calyptridium umbellatum (Torrey) Greene USA: Oregon Mt. Hood J. Howell 1878-6
GH: 00353735 Spraguea umbellata Torrey USA: Oregon Mt. Hood J. Howell 1878-6
GH: 00353735 Spraguea umbellata caudifera A. Gray USA: Oregon Mt. Hood J. Howell 1878-6
Ranunculaceae
GH: 00038451 Ranunculus glaberrimus reconditus (A. Nelson & J. F. Macbride) L. D. Benson USA: Washington J. Howell 1878-2
GH: 00038451 Ranunculus hookeri Schlechtendal USA: Washington J. Howell 1878-2
GH: 00038451 Ranunculus triternatus A. Gray USA: Washington J. Howell 1878-2
Rosaceae
GH: 00040253 Rubus lasiococcus A. Gray USA: Oregon Near Mount Hood J. Howell 1878
Violaceae
GH: 00112469 Viola beckwithii trinervata Howell USA: Washington J. Howell 1878-4
GH: 00112469 Viola trinervata (Howell) Howell ex A. Gray USA: Washington J. Howell 1878-4