Taxon Details
Thelypodium howellii ssp. howellii
Howell's thelypodium
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©1990 Dean Wm. Taylor |
Taxon Summary:
Thelypodium howellii ssp. howellii, commonly known as Howell's thelypodium, is a perennial herb in the Brassicaceae that is found in California and elsewhere. It occurs within Great Basin scrub, and Meadows and seeps (alkaline), growing at elevations from 1200 to 1830 meters. Thelypodium howellii ssp. howellii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Thelypodium howellii Wats. ssp. howellii |
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Common Name: Howell's thelypodium |
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| Family: | Brassicaceae | |
| Element Code: | PDBRA2N051 | |
| USDA Plants Symbol: | THHOH | |
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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: | 1B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G1T1 |
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State Rank: |
S1 |
| Other Status: | BLM_S; SB_UCSC; USFS_S |
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CRPR Changes: |
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| Add Date: | 2001-01-01 |
| Date Edited: | 2022-12-06 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: May-Jul
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Elevation:
1200 - 1830 meters 3935 - 6005 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: | 2 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 1 | 9 % |
| THREAT LIST: | ||
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| Grazing | 1 | 9% |
| Other | 1 | 9% |
| Total Occurrences: | 11 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 1 | 0 | 0 | 0 | 10 |
| Occurrence Status: | |||||
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| Historical >20 Years | 11 | ||||
| Recent <=20 Years | 0 | ||||
| Presence: | |||||
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| Presumed Extant | 11 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA), Oregon (OR)*, Washington (WA)* |
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California Counties and Islands: Name (Code) Lassen (LAS), Modoc (MOD), Shasta (SHA) |
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Quads: Name (Quad Code) Ash Valley (4112016), Big Swamp (4112121), Boles Meadows East (4112067), Buckhorn Lake (4012081), Canby (4112047), Dixie Peak (4012181), Jacks Butte (4112057), Leonards Hot Springs (4112051), Observation Peak (4012072), Pittville (4112113), Sheepshead (4012077), Spalding Tract (4012067), Straylor Lake (4012171) |
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Notes:
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Presumed Extant
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