A Few Varietal Combinations in Californian Keckiella and Penstemon (Scrophulariaceae)
Noel H. HolmgrenVolume:
44
Language:
english
Pages:
2
Journal:
Brittonia
DOI:
10.2307/2807198
Date:
October, 1992
File:
PDF, 128 KB
english, 1992