WOOLLY MULLEIN  
VERBASCUM THAPSUS  SCROPHULARIACEAE (SNAPDRAGON)

ALSO CALLED: FLANNEL MULLEIN, COMMON MULLEIN, AND VELVET PLANT

PETERSON FIELD GUIDES PACIFIC STATES WILDFLOWERS  PP. 116-117

FLOWERS OF THE SOUTHWEST MOUNTAINS  P. 84

A FIELD GUIDE TO THE PLANTS OF ARIZONA  # 521  P. 236

ARIZONA WEEDS  PP. 266-267