A New Color Guide
Ricker, Percy Leroy, 1878-1973
Article
1913
Botanical gazette
55
Issue: 6
461--461
BioStor
English
Hanover, Ind, [publisher not identified], 1876-1991
BioStor: https://biostor.org/reference/211795 DOI: https://doi.org/10.1086/331091
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