Note that various other spp. and hybrids can be found. Full identification requires info on hair type, anther and stigma shapes, etc.
At least some violet/purple hairs on filaments
V. pyramidatum, V. chaixii
Cordate basal lvs
Stalked glands throughout
Stalked glands at top
Variants of Great Mullein: hairs branched, note differences in anthers & stigmas: 1st 4 spp. have only 3 symmetrical anthers
Head-like stigma
Spoon-shaped stigma
Lvs hairless to mealy
All anthers kidney-shaped
All anthers kidney-shaped
Lvs hairless to mealy