Taxon Details
Puccinellia howellii
Howell's alkali grass
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Taxon Summary:
Puccinellia howellii, commonly known as Howell's alkali grass, is a perennial herb in the Poaceae that is found only in California. It occurs within Meadows and seeps, growing at elevations from 490 to 490 meters. Puccinellia howellii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.
Scientific Name: Puccinellia howellii Davis |
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Common Name: Howell's alkali grass |
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Family: | Poaceae | |
Element Code: | PMPOA531A0 | |
USDA Plants Symbol: | PUHO | |
Synonyms/Other Names: |
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Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
CA Rare Plant Rank: | 1B.1 |
Fed List: | None |
State List: | None |
Global Rank: | G1 |
State Rank: |
S1 |
Other Status: | BLM_S; SB_BerrySB |
CRPR Changes: |
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Add Date: | 1994-01-01 |
Date Edited: | 2024-11-05 |
Lifeform: perennial herb | ||||||||||||||
Blooming Period: Apr-Jun
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Elevation:
490 - 490 meters 1610 - 1610 feet |
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General Habitats:
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Microhabitat Details: | ||||||||||||||
Microhabitat:
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Threat List Total: | 9 | |
Total EOs | % of EOs | |
EOs with Threat Listed: | 1 | 100 % |
THREAT LIST: | ||
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Altered flood/tidal/hydrologic regime | 1 | 100% |
Foot traffic/trampling | 1 | 100% |
Mining | 1 | 100% |
Non-native plant impacts | 1 | 100% |
ORV activity | 1 | 100% |
Other | 1 | 100% |
Recreational use (non-ORV) | 1 | 100% |
Road/trail construction/maint. | 1 | 100% |
Vandalism/dumping/litter | 1 | 100% |
Total Occurrences: | 1 | ||||
Element Occurrence Ranks: | |||||
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A | B | C | D | X | U |
0 | 1 | 0 | 0 | 0 | 0 |
Occurrence Status: | |||||
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Historical >20 Years | 0 | ||||
Recent <=20 Years | 1 |
Presence: | |||||
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Presumed Extant | 1 | ||||
Possibly Extirpated | 0 | ||||
Presumed Extirpated | 0 |
California Endemic: | |||||||||||||
California Island: | |||||||||||||
States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Shasta (SHA) |
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Quads: Name (Quad Code) French Gulch (4012266) |
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Notes:
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