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Contributions to North American botany / Asa Gray

Reprinted from: Proceedings of the American Academy of Arts and Sciences, vol. 20, pp. 257-310.

A revision of some Borragineous genera (pp. 257-286); Notes on some American species of Utricularia (pp. 287-290); New genera of Arizona, California, and their Mexican borders, and two additional species of Asclepiadaceae (pp. 290-296); Gamopetalae miscellaneae (pp. 297-310).

TL2:37,026

Subjects--Topical Terms:
Bladderworts--Classification.
Lentibulariaceae--North America.
Boraginaceae--North America.
Botany--Arizona.
Botany--California.