Key to the genus Penstemon and its related genera in the tribe Chelonea
An edition of Key to the genus Penstemon and its related genera in the tribe Chelonea (1999)
including Chelone, Chionophila, Keckiella, Nothochelone and Pennellianthus (family Scrophularaceae)
By Robin Lodewick
Publish Date
1999
Publisher
R. and K. Lodewick
Language
eng
Pages
136
Description:
subjects: Penstemons