Species Details

Claytonia megarhiza

fell-fields claytonia

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Classification

Scientific Name: Claytonia megarhiza (Gray) Wats.
Common Name: fell-fields claytonia
Family:	Montiaceae
Element Code:	PDPOR030A0
USDA Plants Symbol:	CLME
Synonyms/Other Names: Claytonia bellidifolia Rydb.

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G5
State Rank:	S2
Other Status:
CRPR Changes: changed from 2.3 to 2B.3 on 2013-06-12
Add Date:	1980-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jul-Sep

Elevation:
2600 - 3532 meters
8530 - 11590 feet

General Habitats:

Alpine boulder and rock field
Subalpine coniferous forest (gravelly, rocky)

Microhabitat Details: In crevices between rocks

Microhabitat:

Notes

Notes: Threatened by foot traffic.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	4
	Total EOs	% of EOs
EOs with Threat Listed:	4	17 %
Foot traffic/trampling	3	12%
Grazing	1	4%
Recreational use (non-ORV)	1	4%
Erosion/runoff	1	4%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					24
A	B	C	D	X	U
3	2	0	1	0	18

Occurrence Status:
Historical >20 Years	14
Recent <=20 Years	10

Presence:
Presumed Extant	24
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Colorado (CO), Montana (MT), New Mexico (NM), Oregon (OR)

California Counties and Islands: Name (Code)
Alpine (ALP), El Dorado (ELD), Fresno (FRE), Madera (MAD), Mariposa (MPA), Modoc (MOD), Mono (MNO), Nevada (NEV), Placer (PLA), Tuolumne (TUO)

Quads: Name (Quad Code)
Bloody Mtn. (3711858), Caples Lake (3812061), Convict Lake (3711857), Dunderberg Peak (3811913), Eagle Peak (4112032), Ebbetts Pass (3811957), Emerald Bay (3812081), Emerson Peak (4112022), Falls Ridge (3711984), Granite Chief (3912023), Graveyard Peak (3711848), Independence Lake (3912043), Matterhorn Peak (3811914), Mt. Lyell (3711963), Mt. Ritter (3711962), Piute Mtn. (3811915), Rockbound Valley (3812082), Tenaya Lake (3711974), Tower Peak (3811925), Vogelsang Peak (3711973), Yosemite Falls (3711975)

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