Species Details
Atriplex flavida
Carrizo Plain crownscale
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Scientific Name: Atriplex flavida (S.C. Sand. & G.L. Chu) D.J. Keil & D.W. Taylor |
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Common Name: Carrizo Plain crownscale |
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| Family: | Chenopodiaceae | |
| Element Code: | PDCHE04360 | |
| USDA Plants Symbol: | ||
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 1B.3 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G3 |
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State Rank: |
S3 |
| Other Status: | BLM_S; SB_SBBG |
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CRPR Changes: added to 1B.3 on 2019-11-04 |
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| Add Date: | 2019-11-04 |
| Date Edited: | 2024-11-05 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Mar-Jul
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Elevation:
585 - 605 meters 1920 - 1985 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: See Genera and a New Evolutionary System of World Chenopodiaceae (2017) by Chu and Sanderson for original description, and Phytoneuron 65:1-7 (2018) for taxonomic treatment and revised nomenclature. |
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Threats: Threatened by agricultural development. Possibly threatened by vehicles, grazing, non-native plants, road construction, and foot traffic. |
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Taxonomy: Formerly included in A. coronata var. vallicola; differentiated from all A. coronata varieties in having an overall yellow-green color (vs. gray-green), 3(4) stamens (vs. (4)5 stamens), and longer fruiting bracteoles in addition to other characters. |
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| Threat List Total: | 8 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 21 | 57 % |
| THREAT LIST: | ||
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| Other | 8 | 21% |
| Non-native plant impacts | 7 | 18% |
| ORV activity | 5 | 13% |
| Grazing | 5 | 13% |
| Road/trail construction/maint. | 4 | 10% |
| Foot traffic/trampling | 2 | 5% |
| Agriculture | 1 | 2% |
| Development | 1 | 2% |
| Total Occurrences: | 37 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 5 | 11 | 5 | 1 | 0 | 15 |
| Occurrence Status: | |||||
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| Historical >20 Years | 11 | ||||
| Recent <=20 Years | 26 | ||||
| Presence: | |||||
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| Presumed Extant | 37 | ||||
| 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) San Luis Obispo (SLO) |
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Quads: Name (Quad Code) California Valley (3512031), Chimineas Ranch (3511928), La Panza NE (3512041), Las Yeguas Ranch (3511948), McKittrick Summit (3511937), Painted Rock (3511927), Panorama Hills (3511926), Simmler (3511938) |
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Notes:
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Presumed Extant
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| CNPS Status Review: | Proposed Addition to CRPR 1B.3, G2G3 / S2S3 (2019) |