Results 281 to 284 of about 71,231 (284)
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A Convenient Method for Mounting Herbarium Specimens
The Canadian field-naturalist, 1968openaire +1 more source
Herbarium Specimens as Records of Genetic Research
The American Naturalist, 1953openaire +1 more source
Additional herbarium specimens located at Columbia University
Brittonia, 1985openaire +1 more source