Hitchcock, A. S. 1920: The North American species of Lasiacis. – Contr. U.S. Natl. Herb. 22: 13-31

Title	The North American species of Lasiacis
Authorship	Hitchcock, A. S.
Date published	1920
Volume	22
In journal	Contr. U.S. Natl. Herb.
Pages	13-31