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Streptanthus howellii
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| Common Name: |
Howell's jewel-flower
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| Family: |
Brassicaceae
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| Synonyms: |
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| Element Code: |
PDBRA2G0N0
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| Full Name: |
Streptanthus howellii Wats.
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| USDA PLANTS Symbol: |
STHO
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© 1990 Dean Wm. Taylor
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Biology  |
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| Rarity Status |
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Occurrence Data from DFG
California Natural Diversity Database |
- Total # of Known Element Occurrences:
21
- Element Occurrence Ranks:
Population Status:
Historic
>20 yrs |
Recent
<=20 yrs |
| 18 |
3 |
- Presence:
| Present Extant |
Possibly Extirpated |
Extirpated |
| 21 |
0 |
0 |
|
|
| Notes |
-
Threatened by mining. Candidate for state listing in OR. See Proceedings of the American Academy of Arts and Sciences 20:353 (1885) for original description.
-
To submit rare plant observation data, use the
CNDDB field survey form.
Please see also the CNPS
Rare Plant Data page.
- Date Added:
1980-01-01
- Last Update:
2010-03-15
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|
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| Location |
- Elevation:
305 - 1500 meters
- California Endemic:
no
- States:
California, Oregon
- California Counties and Islands:
name (code)
Del Norte (DNT)
- Quads:
name (DWR code) USGS code
Shelly Creek Ridge (739A) 41123H7, High Plateau Mtn. (739B) 41123H8, Gasquet (739C) 41123G8, High Divide (740A) 41124H1, Smith River (740B) 41124H2, Crescent City (740C) 41124G2
- Notes:
| Definitions of codes preceding a county and/or quad: |
| * |
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Presumed extirpated |
| ? |
| Uncertain about distribution or identity
|
| ?* |
| 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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|
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|
 Presumed Extant
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 Presumed Extirpated or Unknown
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1503 |
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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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-124.0,41.875
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