|Appalachian Dragonhead Pogonia
|Moist to fairly dry meadows, dry ridgetops under pines (where seasonally moist).
|WV south through w. VA, e. KY, w. NC, and e. and c. TN to w. SC, n. GA and n. AL.
|Large Dragonhead Pogonia
|Pine savannas, Coastal Plain seepage bogs.
|S. NJ to sw. GA and ne. FL, in the Coastal Plain; reports from more inland (non Coastal Plain) areas are based on a taxonomic concept of C. divaricata including C. bifaria, and reports from the East Gulf Coastal Plain (west of ne. FL) are based on C. oricamporum.
|Small Dragonhead Pogonia
|Pine savannas, longleaf pine sandhill seepage bogs.
|Coastal Plain from se. VA to c. peninsular FL and west to e. LA (and e. TX?); possibly disjunct inland in the Eastern Highland Rim (Coffee County, TN).