Taxon Report

Subularia aquatica L. ssp. americana G.A. Mulligan & Calder

water awlwort

Print Report

Taxon Summary

Subularia aquatica ssp. americana, commonly known as water awlwort, is a annual herb (aquatic) in the Brassicaceae that is found in California and elsewhere. It occurs within Upper montane coniferous forest, growing at elevations from 1900 to 3100 meters. Subularia aquatica ssp. americana is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Subularia aquatica L. ssp. americana G.A. Mulligan & Calder
Common Name:	water awlwort
Family:	Brassicaceae
Element Code:	PDBRA2H012
USDA Plants Symbol:
Synonyms/Other Names:	Subularia aquatica var. americana

Ecology and Life History


Lifeform:	annual herb (aquatic)
Blooming Period: Jul-Sep	Jul-Sep
Elevation:	1900-3100 (6235-10170)
General Habitats:	Upper montane coniferous forest
Microhabitat:	Lake Margins
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G5T5
State Rank:	S4
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	added to 4.3 on 2006-10-12

Occurrence Data from the CNDDB


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

Location


California Endemic: False
California Counties and Islands: Name (Code)
Mariposa (MPA), Tuolumne (TUO)
Quads: Name (Quad Code)
Tenaya Lake (3711974), Tioga Pass (3711983), Vogelsang Peak (3711973)

Threat List Data from the CNDDB


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

Notes



See Rhodora 66:132 (1964) for original description.
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 29 January 2025].