Addenda on Penstemon [Pentstemon]
Bennett, Ralph W
Article
1967
Phytologia
15
162--162
BioStor
English
Bronx Park, New York H.A. Gleason and H.N. Moldenke
BioStor: https://biostor.org/reference/168403
In copyright. Digitized with the permission of the rights holder.
https://biodiversitylibrary.org/permissions
http://creativecommons.org/licenses/by-nc-sa/3.0/
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