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Collection Details

Species: Parthenium hysterophorus L.

Asteraceae Parthenium hysterophorus L.
Rebecca K. Swadek 710

Collection Date: 25 June 2011
Determined By: Rebecca K. Swadek
Determination Date: unknown
Institution: BRIT


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: 33.3105

DD Longitude: -97.6058


Habitat Description: Growing in woodland with alluvial influence under Carya illinoinensis and Maclura pomifera. Growing with Vernonia baldwinii, Smilax bona-nox, Toxicodendron radicans, and Cornus drummondii.

Soil Description: Walnut Formation. Deep clay with alluvial influences.

Botanical Data

Plant Notes: Annual. White flowers. Leaves twice pinnatifid.

Other Data

Research Site: Unit 71

Project: Flora of the Walnut Formation