Species Details

Ivesia sericoleuca

Plumas ivesia

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Classification

Scientific Name: Ivesia sericoleuca (Rydb.) Rydb.
Common Name: Plumas ivesia
Family:	Rosaceae
Element Code:	PDROS0X0K0
USDA Plants Symbol:	IVSE
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	BLM_S; SB_UCSC; USFS_S
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2024-11-05

Ecology and Life History

Lifeform: perennial herb

Blooming Period: May-Oct

Elevation:
1310 - 2200 meters
4300 - 7220 feet

General Habitats:

Great Basin scrub
Lower montane coniferous forest
Meadows and seeps
Vernal pools

Microhabitat Details:

Microhabitat:

Volcanic (usually)
Vernally Mesic

Notes

Notes: Threatened by development, grazing, and vehicles. Potentially threatened by recreational activities, timber harvest, fire suppression, road construction and maintenance, hydrological alterations, and erosion. Interim management guide prepared by the USFS in 1992.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	17
	Total EOs	% of EOs
EOs with Threat Listed:	59	74 %
Grazing	40	50%
Road/trail construction/maint.	22	27%
ORV activity	20	25%
Recreational use (non-ORV)	9	11%
Development	9	11%
Other	8	10%
Erosion/runoff	6	7%
Foot traffic/trampling	6	7%
Non-native plant impacts	5	6%
Surface water diversion	3	3%
Logging	3	3%
Dam/Inundation	2	2%
Vandalism/dumping/litter	2	2%
Agriculture	2	2%
Altered flood/tidal/hydrologic regime	1	1%
Disking	1	1%
Landfill	1	1%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					80
A	B	C	D	X	U
9	30	11	2	1	27

Occurrence Status:
Historical >20 Years	50
Recent <=20 Years	30

Presence:
Presumed Extant	79
Possibly Extirpated	0
Presumed Extirpated	1

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Lassen (LAS), Nevada (NEV), Placer (PLA), Plumas (PLU), Sierra (SIE)

Quads: Name (Quad Code)
Blairsden (3912075), Boca (3912041), Calpine (3912064), Crocker Mtn. (3912084), Dog Valley (3912051), Ferris Creek (4012013), Grizzly Valley (3912085), Hobart Mills (3912042), Independence Lake (3912043), Janesville (4012035), Martis Peak (3912031), McKesick Peak (4012012), Portola (3912074), Reconnaissance Peak (3912073), Sardine Peak (3912052), Sattley (3912054), Sierraville (3912053), Squaw Valley Peak (4012014), Truckee (3912032)

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

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CNPS Rare Plant Inventory