Harvard University Herbaria & Libraries

Cleomaceae
GH: 00378561 Cleomella plocasperma S. Watson USA: California San Bernardino Mts., Cushenbury Springs E. R. Johnson 6876 1935-5-19
Fabaceae
GH: 00366202 Amorpha californica Nuttall USA: California San Bernardino Mts. near Barton Flats E. R. Johnson 8108 1936-7-21
A: 00369258 Parosela spinosa (A. Gray) A. Heller USA: California along highway south of Mecca on west side of... E. R. Johnson 1928-6-8
A: 00369258 Psorothamnus spinosus (A. Gray) Barneby USA: California along highway south of Mecca on west side of... E. R. Johnson 1928-6-8
Orobanchaceae
GH: 00365561 Castilleja culbertsonii Greene USA: California High Sierra Nevada. Evolution Lake E. R. Johnson & Mrs. E. R. Johnson 8123 1936-8-22
GH: 00365561 Castilleja lemmonii A. Gray USA: California High Sierra Nevada. Evolution Lake E. R. Johnson & Mrs. E. R. Johnson 8123 1936-8-22
Rosaceae
A: 00345008 Holodiscus discolor (Pursh) Maximowicz USA: California Rancho Santa Ana, Santa Ana Canyon, N.W. Cor... E. R. Johnson 5000 1933-6-22
Simaroubaceae
A: 00347629 Ailanthus altissima (Miller) Swingle USA: California Rancho Santa Ana, Santa Ana Canyon, Aliso Ca... E. R. Johnson 3704 1932-5