Taxon Details

Juncus hemiendytus var. abjectus

Center Basin rush

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Photo of Juncus hemiendytus var. abjectus

Taxon Summary:

Juncus hemiendytus var. abjectus, commonly known as Center Basin rush, is a annual herb in the Juncaceae that is found in California and elsewhere. It occurs within Meadows and seeps, and Subalpine coniferous forest, growing at elevations from 1400 to 3400 meters. Juncus hemiendytus var. abjectus is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification

Scientific Name: Juncus hemiendytus F.J. Herm. var. abjectus (F.J. Herm.) B. Ertter
Common Name: Center Basin rush
Family:	Juncaceae
Element Code:	PMJUN011F1
USDA Plants Symbol:	JUHEA
Synonyms/Other Names: Juncus abjectus F.J. Herm.
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G5T5
State Rank:	S4
Other Status:
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-08-02

Ecology and Life History

Lifeform: annual herb

Blooming Period: May-Jun(Jul)

Elevation:
1400 - 3400 meters
4595 - 11155 feet

General Habitats:

Meadows and seeps
Subalpine coniferous forest

Microhabitat Details:

Microhabitat:

Mesic

Notes

Notes: Possibly threatened by grazing and trampling. Potentially threatened by hydrological alterations. On review list in ID and OR. See Memoirs of the New York Botanical Garden 39:72-78 (1986) for revised treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

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

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

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Idaho (ID), Nevada (NV), Oregon (OR)

California Counties and Islands: Name (Code)
Alpine (ALP), Fresno (FRE), Lassen (LAS), Modoc (MOD), Mono (MNO), Nevada (NEV), Placer (PLA), Plumas (PLU), Shasta (SHA), Sierra (SIE), Tulare (TUL), Tuolumne (TUO)

Quads: Name (Quad Code)
Antelope Mtn. (4012058), Beaver Mtn. (4112086), Boca (3912041), Bullard Lake (4012078), Champs Flat (4012068), Crank Mountain (4112142), Crocker Mtn. (3912084), Dog Valley (3912051), Donica Mtn. (4112132), Dunderberg Peak (3811913), Falls Ridge (3711984), Freel Peak (3811978), Harvey Mtn. (4012161), Hobart Mills (3912042), Johnson Peak (3611843), Knobcone Butte (4112151), Lake Annie (4112081), Letterbox Hill (4112018), Martis Peak (3912031), Mount Dana (3711982), Mount Whitney (3611853), Mt. Abbot (3711847), Mt. Williamson (3611863), Norden (3912033), Old Station (4012164), Pegleg Mtn. (4012048), Pikes Point (4012057), Pine Creek Valley (4012151), Portola (3912074), Sheepshead (4012077), Spalding Tract (4012067), Squaw Valley Peak (4012014), Swain Mountain (4012141), Tioga Pass (3711983), Topaz Lake (3811965), Vogelsang Peak (3711973)

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