Taxon Details

Hymenoxys lemmonii

alkali hymenoxys

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Taxon Summary:

Hymenoxys lemmonii, commonly known as alkali hymenoxys, is a perennial herb in the Asteraceae that is found in California and elsewhere. It occurs within Great Basin scrub, Lower montane coniferous forest, and Meadows and seeps (subalkaline), growing at elevations from 240 to 3390 meters. Hymenoxys lemmonii is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Hymenoxys lemmonii (E. Greene) Cockerell
Common Name: alkali hymenoxys
Family:	Asteraceae
Element Code:	PDAST530C0
USDA Plants Symbol:	HYLE
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.2
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S2S3
Other Status:
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2022-01-05

Ecology and Life History

Lifeform: perennial herb

Blooming Period: (May)Jun-Aug(Sep)

Elevation:
240 - 3390 meters
785 - 11125 feet

General Habitats:

Great Basin scrub
Lower montane coniferous forest
Meadows and seeps (subalkaline)

Microhabitat Details:

Microhabitat:

Notes

Notes: Need quads for SHA Co. Threatened by development and agriculture. See Pittonia 3:272 (1898) for original description, and Bulletin of the Torrey Botanical Club 31(9):477 (1904) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					13
A	B	C	D	X	U
0	0	0	0	0	13

Occurrence Status:
Historical >20 Years	13
Recent <=20 Years	0

Presence:
Presumed Extant	13
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Arizona (AZ), California (CA), Idaho (ID), Nevada (NV), Oregon (OR), Utah (UT)

California Counties and Islands: Name (Code)
Modoc (MOD), Plumas (PLU), Sierra (SIE), Siskiyou (SIS)

Quads: Name (Quad Code)
Ash Creek Butte (4112241), China Mtn. (4112245), Dog Valley (3912051), Gazelle (4112255), Hotlum (4112243), Juniper Flat (4112253), Little Shasta (4112264), Montague (4112265), Mt. Shasta (4112242), Reconnaissance Peak (3912073), Sardine Peak (3912052), Snake Lake (4112021), The Whaleback (4112252), Weed (4112244), West Haight Mtn. (4112251), Yreka (4112266)

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