Taxon Report

Thelypodium integrifolium (T. & G.) Endl. ssp. complanatum Al-Shehbaz

foxtail thelypodium

Print Report

Taxon Summary

Thelypodium integrifolium ssp. complanatum, commonly known as foxtail thelypodium, is a annual/perennial herb in the Brassicaceae that is found in California and elsewhere. It occurs within Great Basin scrub, and Meadows and seeps, growing at elevations from 1100 to 2500 meters. Thelypodium integrifolium ssp. complanatum is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Thelypodium integrifolium (T. & G.) Endl. ssp. complanatum Al-Shehbaz
Common Name:	foxtail thelypodium
Family:	Brassicaceae
Element Code:	PDBRA2N062
USDA Plants Symbol:	THINC
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual/perennial herb
Blooming Period: Jun-Oct	Jun-Oct
Elevation:	1100-2500 (3610-8205)
General Habitats:	Great Basin scrub, Meadows and seeps
Microhabitat:	Alkaline (sometimes), Mesic
Microhabitat Details:	sometimes subalkaline

Conservation Status


CA Rare Plant Rank:	2B.2
Global Rank:	G5T4T5
State Rank:	S2
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.2 to 2B.2 on 2013-06-12

Occurrence Data from the CNDDB


Total Occurrences:	13
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	2
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	11

Location


California Endemic: False
California Counties and Islands: Name (Code)
Inyo (INY), Lassen (LAS), Mono (MNO)
Quads: Name (Quad Code)
Blackrock (3611882), Casa Diablo Mtn. (3711855), Cherry Mtn. (4012051), Chidago Canyon (3711854), Crooked Creek (3711841), Fish Slough (3711844), Kirkwood Spring (3811828), Last Chance Mtn. (3711736), Laws (3711843), Lundy (3811912), Sulphur Pond (3811818), Toms Place (3711856), Westgard Pass (3711832)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	2	15 %
Grazing	1	7%
Road/trail construction/maint.	1	7%

Notes



Threatened by grazing and hydrologic alteration. See Contributions from the Gray Herbarium 204:105 (1973) for original description, and Great Basin Naturalist 35(4):342 (1975) for revised nomenclature.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 9 May 2025].