Taxon Report

Viola howellii A. Gray

Howell's violet

Print Report

© 2021 Scot Loring

Classification


Scientific Name:	Viola howellii A. Gray
Common Name:	Howell's violet
Family:	Violaceae
Element Code:	PDVIO040U0
USDA Plants Symbol:	VIHO
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: May-Jun	May-Jun
Elevation:	655-655 (2150-2150)
General Habitats:	North Coast coniferous forest
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.2
Global Rank:	G4
State Rank:	S1
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.2 to 2B.2 on 2013-06-12 added to 2.2 on 2010-03-01

Occurrence Data from the CNDDB


Total Occurrences:	1
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	1

Location


California Endemic: False
California Counties and Islands: Name (Code)
Siskiyou (SIS)
Quads: Name (Quad Code)
Dutch Creek (4112381)

Threat List Data from the CNDDB


Threat List Total:	3
EOs with Threat Listed:	Total EOs	% of EOs
	1	100 %
Foot traffic/trampling	1	100%
Logging	1	100%
Other	1	100%

Notes



Known in California from only 1 occurrence. Possibly threatened by foot traffic and logging.
Threats:

Taxonomy:

Selected References

CRPR List Addition on 2010-03-01

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].