Overview

Distribution

Localities documented in Tropicos sources

Echinocereus lloydii Britton & Rose:
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA

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National Distribution

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Global Range: Southern New Mexico southeast to Pecos Co., Texas. Known from Brewster, Culberson, Pecos, and Presidio counties in Texas and from Eddy county in New Mexico.

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Physical Description

Type Information

Lectotype for Echinocereus lloydii Britton & Rose
Catalog Number: US 691964
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): F. E. Lloyd
Year Collected: 1909
Locality: Texas, United States, North America
  • Lectotype: Britton, N. L. & Rose, J. N. 1922. Cactaceae. 3: 38.; Benson, L. D. 1982. Cacti U.S. Canada. 944.
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© Smithsonian Institution, National Museum of Natural History, Department of Botany

Source: National Museum of Natural History Collections

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Ecology

Habitat

Comments: Xeromorphic desert shrub.

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Population Biology

Number of Occurrences

Note: For many non-migratory species, occurrences are roughly equivalent to populations.

Estimated Number of Occurrences: 6 - 20

Comments: Six occurrences in Pecos, Co., Texas and in New Mexico (Dona Ana, Eddy, and Otero Cos.)

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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNA - Not Applicable

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NatureServe Conservation Status

Rounded Global Status Rank: GNA - Not Applicable

Reasons: Echinocereus x lloydii is no longer recognized as a full species. Distribution is restricted to southern New Mexico and southwestern Texas. Collection is a threat.

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Threats

Comments: Sought by cactus collectors; habitat destruction by poor management practices.

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Management

Biological Research Needs: Population biology.

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Names and Taxonomy

Taxonomy

Comments: Formerly considered a distinct species, E. lloydii. USFWS has agreed that it is a hybrid (Federal Register, June 24, 1999) and has delisted it, removing its endangered status. Kartesz (1999 floristic synthesis) treats as Echinocereus x roetteri; he notes (pers. comm. to Larry Morse, 25Nov99) that he follows Taylor's 1985 Echinocereus treatment for this taxon.

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