https://uwaterloo.ca/astereae-lab/research/goldenasters/heterotheca/heterotheca-sect-phyllotheca/heterotheca-fulcrata/heterotheca-fulcrata-var-amplifolia
Heterotheca fulcrata var. amplifolia (Rydb.) Semple is similar to var. fulcrata but has moderately to densely hairy leaves.
heterotheca fulcratavarastereaelabuniversity