A REVISION OF THE VERNAL SPECIES OF HELENIUM (COMPOSITAE) (continued)

By

Rock, Howard F L

Type

Article

Date of Publication

1957

Original Publication

Rhodora

Volume

59

Pages

203--216

Contributed by

BioStor

Published by

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

Identifiers

BioStor: https://biostor.org/reference/180599