A study of Pycnanthemum (Labiatae)
By: by Elizabeth Grant and Carl Epling.
Contributors: Epling, Carl, 1894- joint author.
Series: University of California publications in botany,; v. 20, no. 3; University of California publications in botany ;; v. 20, no. 3.
Publisher: University of California Press
Published: 1943
Place of publication: Berkeley
Language: eng
Number of pages: 240
Subjects: Pycnanthemum.