Overview

Distribution

National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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Ecology

Habitat

Comments: Nakai (1987) stated that this subspecies was on northern slopes, whereas spp. ovatifolia was on southern slopes, in the Santa Monica Mountains.

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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: N2 - Imperiled

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NatureServe Conservation Status

Rounded Global Status Rank: T2 - Imperiled

Reasons: Dudleya cymosa subsp. agourensis was described in 1987, from the eastern Santa Monica Mountains (west of Los Angeles) in California. Dudleya cymosa subsp. ovatifolia, with which it is considered to be most taxonomically similar (Nakai 1987; cf. Kartesz 1999), or the same (Hickman 1993; USFWS 1997), is also rare. Under the U.S. Endangered Species Act, ssp. agourensis is considered a synonym of ssp. ovatifolia, listed as Threatened.

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Management

Biological Research Needs: Evaluate whether this taxon is distinct from ssp. ovatifolia (note Nakai 1987; Bartel in Hickman 1993; USFWS 1997, 1999; Kartesz 1999; CA NDDB 8/2000).

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Names and Taxonomy

Taxonomy

Comments: This taxon (which was described in 1987) is recognized by Kartesz (1999) and the California Natural Diversity Database (8/2000); it is included as a synonym of D. cymosa ssp. ovatifolia by J.A. Bartel (1993) in the new Jepson manual (Hickman 1993), Skinner and Pavlik (1994) in the California Native Plant Society's Inventory of Rare and Endangered Vascular Plants of California, and the USFWS in the 1/29/97 listing of D. cymosa ssp. ovatifolia as Threatened, under the U.S. Endangered Species Act.

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Disclaimer

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