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Overview

Distribution

National Distribution

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Physical Description

Type Information

Isotype for Cressa minima A. Heller
Catalog Number: US 611915
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): A. A. Heller & P. B. Kennedy
Year Collected: 1907
Locality: Hine's Ranch, N side of Peavine Mountain., Washoe, Nevada, United States, North America
Elevation (m): 1524 to 1524
  • Isotype: Heller, A. A. 1913. Muhlenbergia. 8: 140.
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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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Holotype for Cressa insularis House
Catalog Number: US 399033
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): F. Barkelew
Year Collected: 1903
Locality: Socorro Island, Revillagigedo Islands, Colima, Mexico, North America
  • Holotype: House, H. D. 1906. Bull. Torrey Bot. Club. 33: 315.
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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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Isotype for Cressa vallicola A. Heller
Catalog Number: US 612191
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): A. A. Heller
Year Collected: 1908
Locality: East of San Jose., Santa Clara, California, United States, North America
  • Isotype: Heller, A. A. 1913. Muhlenbergia. 8: 140.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Cressa truxillensis

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Cressa truxillensis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 1
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Wikipedia

Cressa truxillensis

Cressa truxillensis is a species of flowering plant in the morning glory family known by the common name spreading alkaliweed. It is native to the western United States and Mexico, where it grows in habitat with saline or alkaline soils, such as beaches, desert flats, and playas. This is a perennial herb producing an erect stem with many branches up to about 25 centimeters tall. The clump of stems is densely lined with silky hairs and studded with many small hairy oval leaves, each under a centimeter long. Flowers appear in the axils of the uppermost leaves. Each has a white corolla with five pointed lobes surrounded by hairy green sepals. There are five protruding stamens and two styles.

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