Smith,Gilbert M <br/><br/>
Criptogamic botany 

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 - New York - EEUU  McGraw-Hill  1955 
 - V.2    23 cm   
 - McGraw-Hill publications in the Botanical Sciences   .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label>--Botanica--Botanica Criptogamica--Briofitas--Pteridofitas--<br/>Botanica