The spores of pteridophytes
Subtitle: illustrations of the spores and the ferns and fern allies : a guide to the type species of the extant genera of the pteridophytes, and to selected extinct spore genera
By: [by] Gerhard O.W. Kremp [and] Tsugio Kawasaki.
Contributors: Kawasaki, Tsugio.
Series: Contribution -- no. 42.
Publisher: Hirokawa Publishing Co.
Published: 1972
Place of publication: Tokyo
Language: eng