Harvard University Herbaria & Libraries

Agavaceae
GH: 00435157 Yucca elata (Engelmann) Engelmann Mexico: Chihuahua [data not captured] W. P. Hewitt 208 1947-5-27
GH: 00435155 Yucca rigida (Engelmann) Trelease Mexico: Chihuahua [data not captured] W. P. Hewitt 180 1947-4-22
GH: 00435157 Yucca sp. Linnaeus Mexico: Chihuahua [data not captured] W. P. Hewitt 208 1947-5-27
Cactaceae
GH: 01677152 Opuntia schottii Engelmann Mexico: Chihuahua Carrizalillo, about 10 kms south of Placer d... W. P. Hewitt 187 1947-4-23
Linaceae
GH: 01248468 Linum rupestre (A. Gray) Engelmann ex A. Gray Mexico: Chihuahua Carrizalillo, possibly 10 km south of Placer... W. P. Hewitt 186 1947-4-23
Mimosaceae
GH: 00368194 Acacia greggii A. Gray Mexico: Chihuahua W. P. Hewitt 189 1947-4-23
Zygophyllaceae
GH: 00442098 Larrea divaricata Cavanilles Mexico: Chihuahua [data not captured] W. P. Hewitt 197 1947-5-1