A monograph of the North American Potentilleae
By: by Per Axel Rydberg.
Series: Memoirs from the Department of Botany of Columbia University, vol. II
Publisher: Press of the New Era Printing Company]
Published: 1898
Place of publication: [Lancaster, Pa
Language: eng
Number of pages: 223
Subjects: Potentilleae; Botany -- North America
Notes: Published also as thesis (Ph. D.) Columbia University, 1898.