A study of the genus Lathyrus : the genus Lathyrus, the sweet pea in botany and horticulture, classification of garden varieties of the sweet pea, winter flowering sweet peas / by Alvin Casey Beal
Date : 1914
Editeur / Publisher : [Albany , 1914]
Type : Livre / Book
Type : Thèse / ThesisLangue / Language : anglais / English