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Collection Details

Species: Ambrosia psilostachya DC.

Asteraceae Ambrosia psilostachya DC.
Rebecca K. Swadek 526


Collection Date: 17 November 2010
Determined By: Rebecca K. Swadek
Determination Date: unknown
Institution: BRIT

Locality

Continent: North America

Country: United States of America

Region: Texas

Subregion: Wise County

Closest Town: Decatur

Locality Description: LBJ Unit 71. East of Hwy 287. West of FM730 and Old Decatur Road and south of FS 921.

DD Latitude: 33.3098

DD Longitude: -97.609

Habitat

Habitat Description: Growing on eroding Walnut hillslope near contact with Antlers sand on a mixed grass slope. With Sorghastrum nutans, Schizachyrium scoparium, Helianthus maximiliani, and Dichanthelium acuminatum. Next to motte of Juniperus virginiana.

Soil Description: Walnut Formation. Near Antlers Sand contact. Calcareous clay loam. Seepy.

Botanical Data

Plant Notes: Leaves pinnatifid, sessile. Rhizomatous perennial.

Other Data

Research Site: Unit 71

Project: Flora of the Walnut Formation