Helianthus laetiflorus and Helianthus rigidus: Hybrids or species?

By

Clevenger, Sarah
Heiser, Charles Bixler 1920-2010

Type

Article

Date of Publication

1963

Original Publication

Rhodora

Volume

65

Pages

121--133

Contributed by

BioStor

Published by

[Cambridge, Mass., etc.] New England Botanical Club [etc.]

Identifiers

BioStor: https://biostor.org/reference/139011