Taxon Details
Alisma gramineum
grass alisma
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© 2016 John Doyen |
© 2010 Louis-M. Landry |
© 2010 Louis-M. Landry |
Taxon Summary:
Alisma gramineum, commonly known as grass alisma, is a perennial rhizomatous herb (aquatic) in the Alismataceae that is found in California and elsewhere. It occurs within Marshes and swamps, growing at elevations from 390 to 1800 meters. Alisma gramineum is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.|
Scientific Name: Alisma gramineum Lej. |
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Common Name: grass alisma |
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| Family: | Alismataceae | |
| Element Code: | PMALI01010 | |
| USDA Plants Symbol: | ALGR | |
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 2B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G5 |
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State Rank: |
S3 |
| Other Status: | |
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CRPR Changes: |
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| Add Date: | 2001-01-01 |
| Date Edited: | 2022-03-01 |
| Lifeform: perennial rhizomatous herb (aquatic) | ||||||||||||||
Blooming Period: Jun-Aug
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Elevation:
390 - 1800 meters 1280 - 5905 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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| Threat List Total: | 4 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 3 | 21 % |
| THREAT LIST: | ||
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| Foot traffic/trampling | 1 | 7% |
| Grazing | 1 | 7% |
| Other | 1 | 7% |
| Road/trail construction/maint. | 1 | 7% |
| Total Occurrences: | 14 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 1 | 1 | 1 | 0 | 11 |
| Occurrence Status: | |||||
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| Historical >20 Years | 11 | ||||
| Recent <=20 Years | 3 | ||||
| Presence: | |||||
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| Presumed Extant | 14 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) Arizona (AZ), California (CA), Idaho (ID), Nevada (NV), New Mexico (NM), Oregon (OR), Utah (UT), Washington (WA) |
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California Counties and Islands: Name (Code) Lassen (LAS), Mendocino (MEN), Modoc (MOD), Siskiyou (SIS) |
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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) |
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Notes:
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Presumed Extant
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