Taxon Details
Claytonia megarhiza
fell-fields claytonia
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Taxon Summary:
Claytonia megarhiza, commonly known as fell-fields claytonia, is a perennial herb in the Montiaceae that is found in California and elsewhere. It occurs within Alpine boulder and rock field, Subalpine coniferous forest (gravelly, and rocky), growing at elevations from 2600 to 3532 meters. Claytonia megarhiza is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.|
Scientific Name: Claytonia megarhiza (Gray) Wats. |
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Common Name: fell-fields claytonia |
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| Family: | Montiaceae | |
| Element Code: | PDPOR030A0 | |
| USDA Plants Symbol: | CLME | |
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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: | 2B.3 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G5 |
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State Rank: |
S2 |
| Other Status: | |
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CRPR Changes: |
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| Add Date: | 1980-01-01 |
| Date Edited: | 2021-05-26 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: Jul-Sep
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Elevation:
2600 - 3532 meters 8530 - 11590 feet |
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General Habitats:
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| Microhabitat Details: In crevices between rocks | ||||||||||||||
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Microhabitat:
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| Threat List Total: | 4 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 4 | 17 % |
| THREAT LIST: | ||
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| Foot traffic/trampling | 3 | 12% |
| Grazing | 1 | 4% |
| Recreational use (non-ORV) | 1 | 4% |
| Erosion/runoff | 1 | 4% |
| Total Occurrences: | 24 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 3 | 2 | 0 | 1 | 0 | 18 |
| Occurrence Status: | |||||
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| Historical >20 Years | 14 | ||||
| Recent <=20 Years | 10 | ||||
| Presence: | |||||
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| Presumed Extant | 24 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA), Colorado (CO), Montana (MT), New Mexico (NM), Oregon (OR) |
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California Counties and Islands: Name (Code) Alpine (ALP), El Dorado (ELD), Fresno (FRE), Madera (MAD), Mariposa (MPA), Modoc (MOD), Mono (MNO), Nevada (NEV), Placer (PLA), Tuolumne (TUO) |
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Quads: Name (Quad Code) Bloody Mtn. (3711858), Caples Lake (3812061), Convict Lake (3711857), Dunderberg Peak (3811913), Eagle Peak (4112032), Ebbetts Pass (3811957), Emerald Bay (3812081), Emerson Peak (4112022), Falls Ridge (3711984), Granite Chief (3912023), Graveyard Peak (3711848), Independence Lake (3912043), Matterhorn Peak (3811914), Mt. Lyell (3711963), Mt. Ritter (3711962), Piute Mtn. (3811915), Rockbound Valley (3812082), Tenaya Lake (3711974), Tower Peak (3811925), Vogelsang Peak (3711973), Yosemite Falls (3711975) |
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Notes:
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Presumed Extant
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