Overview

Distribution

National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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Global Range: Known only from central AZ (4 Co.).

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Physical Description

Type Information

Holotype for Dudleya collomiae Rose ex C.V. Morton
Catalog Number: US 1319916
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Card file verified by examination of alleged type specimen
Preparation: Pressed specimen
Collector(s): R. E. Collom
Year Collected: 1924
Locality: Payson., Gila, Arizona, United States, North America
  • Holotype: Morton, C. V. 1934. Desert Pl. Life. 6: 68.
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Ecology

Habitat

Comments: Among rocks from 2,000 to 6,000 ft. (Kearney & Peebles, 1951).

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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: N4 - Apparently Secure

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NatureServe Conservation Status

Rounded Global Status Rank: G4 - Apparently Secure

Reasons: This species is called Echeveria collomae by Kearney & Peebles (1951), and Dudleya saxosa subsp. collomiae by Bailey & Bailey, 1976, Hortus Third. No data is available from floras on abundance or habitat. This G-rank is based on AZHP's evaluation of D. saxosa ssp. collomiae as G4T4? It is my opinion that it should be re-evaluated as G3 because it is restricted to AZ.

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Names and Taxonomy

Taxonomy

Comments: Recognized as a distinct species by Kartesz (1994 and 1999), but sometimes treated as Dudleya saxosa ssp. collomiae.

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Disclaimer

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