Guide to popular floras of the United States and Alaska
Blake, S.F.
Guide to popular floras of the United States and Alaska - Washington 1954 - 56 p. - No. 23; United States Departm .
016:581.9(73)
Guide to popular floras of the United States and Alaska - Washington 1954 - 56 p. - No. 23; United States Departm .
016:581.9(73)