Taxon Report

Stuckenia filiformis (Pers.) Börner ssp. alpina (Blytt) R.R. Haynes et al.

northern slender pondweed

Print Report

Dana York (2016)

Classification


Scientific Name:	Stuckenia filiformis (Pers.) Börner ssp. alpina (Blytt) R.R. Haynes et al.
Common Name:	northern slender pondweed
Family:	Potamogetonaceae
Element Code:	PMPOT03091
USDA Plants Symbol:	STFIA2
Synonyms/Other Names:	Potamogeton filiformis Pers. Stuckenia filiformis

Ecology and Life History


Lifeform:	perennial rhizomatous herb (aquatic)
Blooming Period: May-Jul	May-Jul
Elevation:	300-2150 (985-7055)
General Habitats:	Marshes and swamps
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.2
Global Rank:	G5T5
State Rank:	S2S3
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:	21
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	21

Location


California Endemic: False
California Counties and Islands: Name (Code)
Alameda (ALA), Butte (BUT), Contra Costa (CCA), El Dorado (ELD), Lassen (LAS), Mariposa (MPA), Merced (MER), Modoc (MOD), Mono (MNO), Placer (PLA), San Mateo (SMT), Santa Clara (SCL)*, Shasta (SHA), Sierra (SIE), Solano (SOL), Sonoma (SON)
Quads: Name (Quad Code)
Marlette Lake (3911928), Ano Nuevo (3712213), Burney Falls (4112116), Cassel (4012185), Cedar Hill (3811827), Chico (3912167), Clayton (3712188), Diablo (3712178), El Capitan (3711966), Emerald Bay (3812081), Fairfield North (3812231), Franklin Point (3712223), Gallatin Peak (4012056), Gold Lake (3912066), Infernal Caverns (4112035), Ingomar (3712028), Jess Valley (4112023), June Lake (3711971), Kings Beach (3912021), Likely (4112025), Mount St. Helena (3812266), Newark (3712251), Niles (3712158), Oakland East (3712272), Palo Alto (3712242)*, Sierra City (3912056), Walnut Creek (3712281), Whitmore Hot Springs (3711867)

Threat List Data from the CNDDB


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

Notes



To be expected in the San Joaquin Valley, San Francisco Bay area, and the central high Sierra Nevada; need information. On review list in OR.
Threats:

Taxonomy:

Selected References

USFS Potential Species of Conservation Concern Profile

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 December 2024].