The genus Youngia
By: by Ernest B. Babcock and G. Ledyard Stebbins, Jr.
Contributors: Stebbins, G. Ledyard 1906- joint author.
Series: [Carnegie Institution of Washington. Publication no. 484]
Publisher: Carnegie Institution of Washington
Published: 1937
Place of publication: Washington, D.C
Language: eng
Number of pages: 106
Subjects: Youngia.