The phylogenetic value of pollen-grain characters ...
Published: 1928
Place of publication: London]
Language: eng
Number of pages: 934
Subjects: Pollen; Plants; Classification
Notes: Cover-title.

Vita.

At head of title: Wodehouse, Roger P.

"Reprinted ... from Annals of botany, vol. XLII. no. CLXVIII. October, 1928."

Thesis (PH. D.)--Columbia university, 1929.

Bibliography: p. 929-930.