HORSETAIL FLEABANE 
ERIGERON CANADENSIS COMPOSITAE  (SUNFLOWER)

ALSO CALLED:  HORSEWEED AND CANADA FLEABANE

ALL ABOUT WEEDS  PP. 266-268

A GOLDEN GUIDE  WEEDS  PP. 126-127

AN ILLUSTRATED GUIDE TO ARIZONA WEEDS  PP. 290-291

PETERSON FIELD GUIDES WESTERN MEDICINAL PLANTS AND HERBS  P. 249

NEWCOMB'S WILDFLOWER GUIDE  PP. 384-385