Scientific Name: Dimeresia howellii Gray |
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Common Name: doublet |
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Family: | Asteraceae | |
Element Code: | PDAST2Z010 | |
USDA Plants Symbol: | DIHO2 | |
Synonyms/Other Names: |
CA Rare Plant Rank: | 2B.3 |
Fed List: | None |
State List: | None |
Global Rank: | G4 |
State Rank: |
S3 |
Other Status: | |
CRPR Changes: changed from 2.3 to 2B.3 on 2013-06-12 |
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Add Date: | 1974-01-01 |
Date Edited: | 2023-09-05 |
Lifeform: annual herb | ||||||||||||||
Blooming Period: May-Sep
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Elevation:
1340 - 2380 meters 4395 - 7810 feet |
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General Habitats:
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Microhabitat Details: xeric | ||||||||||||||
Microhabitat:
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Threat List Total: | 7 | |
Total EOs | % of EOs | |
EOs with Threat Listed: | 18 | 36 % |
THREAT LIST: | ||
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Other | 9 | 18% |
Grazing | 7 | 14% |
Road/trail construction/maint. | 2 | 4% |
Wood cutting or brush clearing | 1 | 2% |
Mining | 1 | 2% |
ORV activity | 1 | 2% |
Foot traffic/trampling | 1 | 2% |
Total Occurrences: | 50 | ||||
Element Occurrence Ranks: | |||||
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A | B | C | D | X | U |
9 | 18 | 1 | 0 | 0 | 22 |
Occurrence Status: | |||||
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Historical >20 Years | 42 | ||||
Recent <=20 Years | 8 |
Presence: | |||||
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Presumed Extant | 50 | ||||
Possibly Extirpated | 0 | ||||
Presumed Extirpated | 0 |
California Endemic: | |||||||||||||
California Island: | |||||||||||||
States: Name (Code) California (CA), Idaho (ID), Nevada (NV), Oregon (OR) |
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California Counties and Islands: Name (Code) Lassen (LAS), Modoc (MOD), Siskiyou (SIS) |
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Quads: Name (Quad Code) Alturas (4112045), Ash Valley (4112016), Bonita Butte (4112166), Caldwell Butte (4112164), Cedarville (4112052), Eagle Peak (4112032), Emerson Peak (4112022), Infernal Caverns (4112035), Lake Annie (4112081), Lake City (4112062), Lane Reservoir (4112017), Larkspur Hills (4112071), Letterbox Hill (4112018), Mahogany Ridge (4112055), Mt. Bidwell (4112082), Payne Peak (4112053), Rattlesnake Butte (4112046), Sheepshead (4012077), Warren Peak (4112042), Willow Ranch (4112083) |
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Notes:
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