Stanford, E.E. 1926: Polygonum hydropiperoides and P. opelousanum. – Rhodora 28: 11-17, 22-29

Title	Polygonum hydropiperoides and P. opelousanum
Authorship	Stanford, E.E.
Date published	1926
Volume	28
In journal	Rhodora
Pages	11-17, 22-29