Taxon Details
Ivesia aperta var. aperta
Sierra Valley ivesia
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© 2008 Steve Matson |
© 2008 Steve Matson |
© 2008 Steve Matson |
Taxon Summary:
Ivesia aperta var. aperta, commonly known as Sierra Valley ivesia, is a perennial herb in the Rosaceae that is found in California and elsewhere. It occurs within Great Basin scrub, Lower montane coniferous forest, Meadows and seeps, Pinyon and juniper woodland, and Vernal pools, growing at elevations from 1480 to 2300 meters. Ivesia aperta var. aperta is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Ivesia aperta (J.T. Howell) Munz var. aperta |
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Common Name: Sierra Valley ivesia |
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| Family: | Rosaceae | |
| Element Code: | PDROS0X011 | |
| USDA Plants Symbol: | IVAPA | |
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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: | G2G3T2T3 |
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State Rank: |
S2 |
| Other Status: | BLM_S; SB_UCSC; USFS_S |
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CRPR Changes: |
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| Add Date: | 1980-01-01 |
| Date Edited: | 2024-06-04 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: Jun-Sep
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Elevation:
1480 - 2300 meters 4855 - 7545 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Threatened by residential development, agriculture, grazing, and vehicles. Potentially threatened by hydrological alterations and fire suppression. Interim management guide prepared by USFS in 1992. Threatened in NV. See Leaflets of Western Botany 9(15):239 (1962) for original description, and Brittonia 40(4):398-399 (1988) for revised nomenclature. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 16 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 42 | 84 % |
| THREAT LIST: | ||
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| Grazing | 26 | 52% |
| Road/trail construction/maint. | 12 | 24% |
| Other | 7 | 14% |
| Agriculture | 6 | 12% |
| Development | 5 | 10% |
| Improper burning regime | 4 | 8% |
| Erosion/runoff | 4 | 8% |
| ORV activity | 4 | 8% |
| Non-native plant impacts | 3 | 6% |
| Foot traffic/trampling | 3 | 6% |
| Recreational use (non-ORV) | 3 | 6% |
| Logging | 2 | 4% |
| Mining | 1 | 2% |
| Disking | 1 | 2% |
| Dam/Inundation | 1 | 2% |
| Vandalism/dumping/litter | 1 | 2% |
| Total Occurrences: | 50 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 8 | 11 | 14 | 4 | 1 | 12 |
| Occurrence Status: | |||||
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| Historical >20 Years | 47 | ||||
| Recent <=20 Years | 3 | ||||
| Presence: | |||||
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| Presumed Extant | 49 | ||||
| Possibly Extirpated | 1 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA), Nevada (NV) |
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California Counties and Islands: Name (Code) Lassen (LAS), Plumas (PLU), Sierra (SIE) |
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Quads: Name (Quad Code) Antelope Valley (3912063), Chilcoot (3912072), Evans Canyon (3912061), Ferris Creek (4012013), Frenchman Lake (3912082), Loyalton (3912062), McKesick Peak (4012012), Portola (3912074), Reconnaissance Peak (3912073), Sardine Peak (3912052) |
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Notes:
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Presumed Extant
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