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Pleuropogon hooverianus
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| Common Name: |
North Coast semaphore grass
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| Family: |
Poaceae
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| Synonyms: |
Lophochlaena refracta var. hooverianus
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| Element Code: |
PMPOA4Y070
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| Full Name: |
Pleuropogon hooverianus (L. Benson) J.T. Howell
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| USDA PLANTS Symbol: |
PLHO2
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Biology  |
- Lifeform:
perennial rhizomatous herb
- Blooming Period:
April - June
- Habitat:
open areas, mesic.
• Broadleafed upland forest
• Meadows and seeps
• North Coast coniferous forest
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| Rarity Status |
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Occurrence Data from DFG
California Natural Diversity Database |
- Total # of Known Element Occurrences:
24
- Element Occurrence Ranks:
Population Status:
Historic
>20 yrs |
Recent
<=20 yrs |
| 7 |
17 |
- Presence:
| Present Extant |
Possibly Extirpated |
Extirpated |
| 21 |
3 |
0 |
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| Notes |
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Threatened by roadside maintenance, development, timber harvest, feral pigs, and non-native plants. See American Journal of Botany 28:360 (1941) for original description, Leaflets of Western Botany 4(10):247 (1946) for revised nomenclature, and Taxon 27(4):375 (1978) for alternate nomenclature.
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To submit rare plant observation data, use the
CNDDB field survey form.
Please see also the CNPS
Rare Plant Data page.
- Date Added:
1974-01-01
- Last Update:
2011-12-06
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| Location |
- Elevation:
10 - 671 meters
- California Endemic:
yes
- States:
California
- California Counties and Islands:
name (code)
Mendocino (MEN), Marin (MRN), Sonoma (SON)
- Quads:
name (DWR code) USGS code
San Rafael (467A) 37122H5, San Geronimo (484C) 38122A6, Cotati (501C) 38122C6, Camp Meeker (502B) 38122D8, Elledge Peak (550C) 39123A2, Orrs Springs (551A) 39123B3, Redwood Valley (566C) 39123C2, Willits (567A) 39123D3, Comptche (568D) 39123C5, Longvale (583C) 39123E4, Cahto Peak (584A) 39123F5
- Notes:
| Definitions of codes preceding a county and/or quad: |
| * |
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Presumed extirpated |
| ? |
| Uncertain about distribution or identity
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| ?* |
| Uncertain about distribution, but presumed extirpated if once present
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| (?) |
| Occurrence confirmed, but possibly extirpated
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Species may be present in other areas where conditions are favorable.
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 Presumed Extant
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 Presumed Extirpated or Unknown
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1388 |
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| Links to Leading Resources of Taxon Information |
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| Suggested Citation |
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California Native Plant Society (CNPS).
Inventory of Rare and Endangered Plants (online edition, v8-01a).
California Native Plant Society. Sacramento, CA. Accessed on
.
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-123.125,39.0
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