On Psygmophyllum majus, sp. nov., from the lower carboniferous rocks of Newfoundland
Subtitle: together with a revision of the genus and remarks on the affinities
By: by E.A. Newell Arber ; read 18 April, 1912.
Series: Landmarks of science II
Publisher: The Society
Published: 1904
Place of publication: London
Language: eng
Format: Microform
Number of pages: 407
Subjects: Cycads, Fossil.; Paleobotany -- Paleozoic.
Notes: Includes bibliographical references (p. 405-406).

Microfiche. New York, N.Y. Readex Microprint Corporation, [1985?] (Landmarks II)

In Transactions of the Linnean Society of London. Botany, ser. 2, v. 7 (1904-1913), p. 391-407.