The Genus Youngia
Illustrated with b/w photos & drawings. Washington: Carnegie Institution of Washington, 1937. Small 4to. Green cloth, stamped in gilt. 106 p. Carnegie Institution of Washington Publication No. 484. 1st edition. [85944]
Illustrated with b/w photos & drawings. Washington: Carnegie Institution of Washington, 1937. Small 4to. Green cloth, stamped in gilt. 106 p. Carnegie Institution of Washington Publication No. 484. 1st edition. [85944]