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Astragalus agnicidus
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| Common Name: |
Humboldt County milk-vetch
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| Family: |
Fabaceae
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| Synonyms: |
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| Element Code: |
PDFAB0F080
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| Full Name: |
Astragalus agnicidus Barneby
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| USDA PLANTS Symbol: |
ASAG
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© 2005 Jennifer L. Kalt
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Biology  |
- Lifeform:
perennial herb
- Blooming Period:
April - September
- Habitat:
openings, disturbed areas, sometimes roadsides.
• Broadleafed upland forest
• 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:
47
- Element Occurrence Ranks:
Population Status:
Historic
>20 yrs |
Recent
<=20 yrs |
| 0 |
47 |
- Presence:
| Present Extant |
Possibly Extirpated |
Extirpated |
| 47 |
0 |
0 |
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| Notes |
-
Rediscovered in 1987 by R. Sutherland, R. Bittman, and K. Berg near Miranda. Threatened by grazing, competition, logging, and road maintenance. Potentially threatened by habitat alteration and non-native plants. See Madroño 14(1):37-40 (1957) for original description, Fremontia 16(1):13-14 (1988) for discussion of rediscovery and 20(4):21-22 (1992) for management update, and Madroño 46(4):215 (1999) for occurrence information.
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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:
2010-03-15
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| Location |
- Elevation:
180 - 800 meters
- California Endemic:
yes
- States:
California
- California Counties and Islands:
name (code)
Humboldt (HUM), Mendocino (MEN)
- Quads:
name (DWR code) USGS code
Gualala (537D) 38123G5, Bailey Ridge (551B) 39123B4, Greenough Ridge (567C) 39123C4, Northspur (568A) 39123D5, Noyo Hill (568B) 39123D6, Cahto Peak (584A) 39123F5, Lincoln Ridge (584B) 39123F6, Dutchmans Knoll (584C) 39123E6, Sherwood Peak (584D) 39123E5, Westport (585A) 39123F7, Hales Grove (601D) 39123G7, Miranda (617A) 40123B7, Bridgeville (635A) 40123D7, Redcrest (635B) 40123D8, Myers Flat (635D) 40123C7, McWhinney Creek (654A) 40124F1
- 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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291 |
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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, v8-02).
California Native Plant Society. Sacramento, CA. Accessed on
.
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-123.625,39.625
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