Species Details

Alisma gramineum

grass alisma

  Download Report   Calflora     eFlora     CCH     CalPhotos
Photo by © 2016 John Doyen  max-height:128px; max-width:145px;
© 2016 John Doyen
Photo by © 2010 Louis-M. Landry  max-height:128px; max-width:145px;
© 2010 Louis-M. Landry
Photo by © 2010 Louis-M. Landry  max-height:128px; max-width:145px;
© 2010 Louis-M. Landry
CA Rare Plant Rank: 2B.2
Fed List: None
State List: None
Global Rank: G5
State Rank:
S3
Other Status:
CRPR Changes:
changed from 2.2 to 2B.2 on 2013-06-12
Add Date: 2001-01-01
Date Edited: 2022-03-01
Lifeform: perennial rhizomatous herb (aquatic)
Blooming Period: Jun-Aug
Elevation:
390 - 1800 meters
1280 - 5905 feet
General Habitat:
  • Marshes and swamps (shallow freshwater)
General Micro Habitat:
Micro Habitat:
Notes:
Threats:

Threatened by road construction.

Taxonomy:
Other:
Total Occurrences: 14
Element Occurrence Ranks:
A B C D X U
0 1 1 1 0 11
Occurrence Status:
Historical >20 Years 11
Recent <=20 Years 3
Presence:
Presumed Extant 14
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Arizona (AZ), California (CA), Idaho (ID), Nevada (NV), New Mexico (NM), Oregon (OR), Utah (UT), Washington (WA)
California Counties and Islands: Name (Code)
Lassen (LAS), Mendocino (MEN), Modoc (MOD), Siskiyou (SIS)
Quads: Name (Quad Code)
Alturas (4112045), Burbeck (3912344), Cahto Peak (3912365), Dorris Reservoir (4112044), Grass Lake (4112262), Holbrook Canyon (4112015), Johnstonville (4012045), Laytonville (3912364), Likely (4112025), Longvale (3912354), Mahogany Ridge (4112055), McGinty Point (4112074), McGinty Reservoir (4112075), Surprise (4112054), Tule Mountain (4112024), Tunnison Mtn. (4012055), Washington Mtn. (4112048), Willits (3912343)
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.

Map

Presumed Extant
Counties   Quads