Taxon Report

Ivesia baileyi Wats. var. beneolens (Nelson & J.F. Macbr.) B. Ertter

Owyhee ivesia

Print Report

Taxon Summary

Ivesia baileyi var. beneolens, commonly known as Owyhee ivesia, is a perennial herb in the Rosaceae that is found in California and elsewhere. It occurs within Pinyon and juniper woodland, and Upper montane coniferous forest, growing at elevations from 2150 to 2150 meters. Ivesia baileyi var. beneolens is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Ivesia baileyi Wats. var. beneolens (Nelson & J.F. Macbr.) B. Ertter
Common Name:	Owyhee ivesia
Family:	Rosaceae
Element Code:	PDROS0X032
USDA Plants Symbol:	IVBAB2
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jun	Jun
Elevation:	2150-2150 (7055-7055)
General Habitats:	Pinyon and juniper woodland, Upper montane coniferous forest
Microhabitat:	Rocky, Volcanic
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.3
Global Rank:	G5T4
State Rank:	S1
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.3 to 2B.3 on 2013-06-12

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)
Modoc (MOD)
Quads: Name (Quad Code)
Payne Peak (4112053)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	%

Notes



Known in CA from only one occurrence in the Warner Mtns. See Botanical Gazette 55:374 (1913) for original description, and Systematic Botany 14:231-244 (1989) for revised nomenclature.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].