Asteraceae_Silphium perplexum

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Family Asteraceae
Basionym Silphium perplexum J. Allison
Original Identification Silphium perplexum J. Allison
Current Taxon Silphium perplexum J. Allison
Protologue Citation Castanea 66(1-2): 188-189, f. 12D-F. 2001.
Holotype/Isotype Isotype
DUKE Accession Number 399590
Primary Collector James R. Allison 
Collector Number 12153
Collection Date 18 Aug 1999
Country United States
Province/State Alabama
Plant Location Notes Dalla County. Ca. 15.5 km SW of Selma, ca. 17.5 km SE of Marion Junction, and ca. 2.4 km WSW of Old Cahaba; S side Co. Rd. 2 at jct. Co. Rd. 9; prairielike openings over chalk.
Plant Description Notes n/a
DUKE Barcode  
Broad geographical location North America
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