On the life-history of Gymnogongrus griffithsiae Mart. and Ahnfeltia plicata Fries /
Gregory, Beryl D.
On the life-history of Gymnogongrus griffithsiae Mart. and Ahnfeltia plicata Fries / by Beryl D. Gregory - London : [s.n.], 1934 - 531-551 p. : ill. ; 28 cm - Linnean Society's journal-Botany ; 49 .
On the life-history of Gymnogongrus griffithsiae Mart. and Ahnfeltia plicata Fries / by Beryl D. Gregory - London : [s.n.], 1934 - 531-551 p. : ill. ; 28 cm - Linnean Society's journal-Botany ; 49 .