Taxon Details
Sedum marmorense
Marble Mountains stonecrop
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©2016 Dana York |
© 2016 Dana York |
Taxon Summary:
Sedum marmorense, commonly known as Marble Mountains stonecrop, is a perennial herb in the Crassulaceae that is . It occurs within Subalpine coniferous forest, and Upper montane coniferous forest, growing at elevations from 1875 to 2345 meters. Sedum marmorense is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Sedum marmorense Otting & R. E. Brainerd |
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Common Name: Marble Mountains stonecrop |
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| Family: | Crassulaceae | |
| Element Code: | PDCRA0A230 | |
| USDA Plants Symbol: | ||
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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: | G1G2 |
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State Rank: |
S1S2 |
| Other Status: | |
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CRPR Changes: added to 1B.2 on 2021-05-14 |
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| Add Date: | 2021-05-14 |
| Date Edited: | 2021-08-25 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: Jul-Aug
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Elevation:
1875 - 2345 meters 6150 - 7695 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Possibly threatened by horticultural collecting. Previously identified as S. obtusatum ssp. boreale, in part. Similar to S. oregonense; differs in having dense rosettes and waxy granules on calyxes and inflorescence branches vs. looser rosettes and lacking waxy granules in S. oregonense. See Phytotaxa 368: 1–61 (2018) for original description. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 2 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 2 | 33 % |
| THREAT LIST: | ||
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| Improper burning regime | 2 | 33% |
| Over-collecting/poaching | 1 | 16% |
| Total Occurrences: | 6 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 1 | 1 | 0 | 0 | 0 | 4 |
| Occurrence Status: | |||||
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| Historical >20 Years | 1 | ||||
| Recent <=20 Years | 5 | ||||
| Presence: | |||||
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| Presumed Extant | 6 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Siskiyou (SIS) |
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Quads: Name (Quad Code) Boulder Peak (4112351), Grider Valley (4112362), Marble Mountain (4112352), Scott Bar (4112361), Seiad Valley (4112372) |
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Notes:
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Presumed Extant
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