LSU : Vascular Plants
Louisiana State University, Shirley C. Tucker Herbarium
Catalog #: LSU00124542
Secondary Catalog #: 131209; NPS Acc#: JELAB-89, NPS Cat#: JELAB 1872
Taxon: Sonchus asper (L.) Hill
Family: Asteraceae
Taxon Remarks: spiny sowthistle
Collector: Stephanie M. Gunn   B-28   
Date: 2005-03-22
Verbatim Date: 2005-3-22
Additional Collectors: Diane M. Ferguson; Jesse Williams
Locality: United States, Louisiana, Jefferson, Jean Lafitte National Historic Park and Preserve; Floating marsh adjacent to Lake Salvador, about 0.35 miles southeast of mouth of Bayou Bardeaux.
29.7986  -90.1681
Verbatim Coordinates: Zone 15, 773741.06 Em, 3299833.81 Nm
Habitat: Spoilbanks and edges of floating marsh. Soil characteristics: Allemands Muck (AR)- very deep, very poorly drained soils that are rapidly permeable in the organic materials and very slowly permeable in the underlying clay horizon. Associated plant species: Cyperus odoratus, Packera glabella, Bowlesia incana, and Rumex obovatus. Common.
Substrate: Allemands Muck (AR)- very deep, very poorly drained soil
Specimen Images
Record Id: 31827489-61eb-4212-a5fb-e991020d47d9
Occurrence ID (GUID): bdd4cc71-aa8a-4159-853b-9f0afefbca5f
For additional information on this occurrence, please contact: Jennifer S. Kluse, Collections Manager (
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