Species Details

Ivesia callida

Tahquitz ivesia

Download Report Calflora eFlora CCH CalPhotos

2009 Jordan Zylstra

2005 US Forest Service

Classification

Scientific Name: Ivesia callida (Hall) Rydb.
Common Name: Tahquitz ivesia
Family:	Rosaceae
Element Code:	PDROS0X040
USDA Plants Symbol:	IVCA
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	CR (1982-07-01)
Global Rank:	G1
State Rank:	S1
Other Status:	SB_CalBG/RSABG; USFS_S
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-01-05

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jul-Sep

Elevation:
2410 - 2450 meters
7905 - 8040 feet

General Habitats:

Upper montane coniferous forest (granitic, rocky)

Microhabitat Details:

Microhabitat:

Notes

Notes: Rediscovered in 1980 by K. Berg, M. Hamilton, and T. Krantz; known from only two occurrences in the San Jacinto Wilderness Area. See University of California Publications in Botany 1:86 (1902) for original description, and Fremontia 11(1):13-15 (1983) for discussion of rediscovery.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	1
	Total EOs	% of EOs
EOs with Threat Listed:	1	50 %
Road/trail construction/maint.	1	50%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					2
A	B	C	D	X	U
2	0	0	0	0	0

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	2

Presence:
Presumed Extant	2
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Riverside (RIV)

Quads: Name (Quad Code)
San Jacinto Peak (3311676)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

Click on quad for name. Hold Shift Key to use mouse scroll wheel

CNPS Rare Plant Inventory