Taxon Report

Horkelia wilderae Parish

Barton Flats horkelia

Print Report

© 2009 Thomas Stoughton

Classification


Scientific Name:	Horkelia wilderae Parish
Common Name:	Barton Flats horkelia
Family:	Rosaceae
Element Code:	PDROS0W0J0
USDA Plants Symbol:	HOWI
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: May-Sep	May-Sep
Elevation:	1675-2925 (5495-9595)
General Habitats:	Chaparral, Lower montane coniferous forest, Upper montane coniferous forest
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G1
State Rank:	S1
State List:	None
Fed List:	None
Other Status:	SB_CalBG/RSABG; USFS_S
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	8
Element Occurrence Ranks:
Excellent (A)	2
Good (B)	1
Fair (C)	2
Poor (D)	0
None (X)	0
Unknown (U)	3

Location


California Endemic: True
California Counties and Islands: Name (Code)
San Bernardino (SBD)
Quads: Name (Quad Code)
Big Bear Lake (3411628), Moonridge (3411627)

Threat List Data from the CNDDB


Threat List Total:	4
EOs with Threat Listed:	Total EOs	% of EOs
	2	25 %
Foot traffic/trampling	2	25%
Recreational use (non-ORV)	1	12%
Road/trail construction/maint.	1	12%
Development	1	12%

Notes



Known from fewer than ten occurrences in the Barton Flats area. Threatened by logging and recreational activities. Possibly threatened by vegetation/fuel management. See Botanical Gazette 38:460 (1904) for original description.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 December 2024].