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1 Rhizomes absent, stems cespitose, arising from a compact, woody, fibrous-rooted crown; heads relatively crowded, on short, distal branches); [widespread in our region]
1 Rhizomes branching, creeping and scale-leaved, evidently colonial; heads solitary on long, bracteate peduncle-like branches arising from midstem or slightly above; [ne. FL west to e. LA, largely limited to the East Gulf Coastal Plain]