Image from the Biodiversity Heritage Library.
Contributed by Harvard University Botany Libraries.
| www.biodiversitylibrary.org
Transcription
Cf. with S. arnica? differs from the single
specimen in Herb. Eaton from Trinity River.
It tallies more closely with S. arnica, collected in
the valleys of Oregon & California i.e. S. arnica, var. dudal., 749.