34. SOUTHERN CALIFORNIA ACADEMY OF SCIENCES 
Flora of Clifton, Arizona 
By A. Davidson, M.D. 
Compositae. 
Hoffmeisteria pluriseta, Gray. River canyons. 
Eupatorium pauperculum, Gray. Shady rocks. Common. 
Carminatia tenuiflora, D. C. Shady places above 4000 ft. alt. 
Kuhnia rosmarinifolia, Vent. Blue River, Sept. 
Brickellia atractyloides, Gray. Frequent. 
Brickellia coulteri, Gray. Mesas; May. 
Brickellia wrightii, Gray. Frequent; October. 
Brickellia Baccaridea, Gray. Very common; October. 
Brickellia wislizeni, Gray. Dry washes, Metcalf; October. 
Brickellia betonicaefolia, Gray. Coronado mine, September. 
Brickellia brachyphylla, Gray. Mesas; October. 
Carphochaete bigelovia, Gray. Chase Creek, April. 
Gymnosperma corybosum, D.C. River bottom; September. 
Gutierrezia lucida, Greene. Common, September. 
Grindelia arizonica, Gray. River bottom. 
Heterotheca, subaxillaris, Lam. Frequent. 
Chrysopsis hispida, Nutt. Common. 
Chrysopsis canescens, D. C. Blue River. 
Aplopappus laricifolius, Gray. Common; September. 
Eriocarpum gracilis, Greene. Common. 
Bigelovia, graveolens, Gray. Sheldon. 
Solidago bigelovii, Gray. Blue River; September. 
Solidago californica, Nutt. Common. 
Aphanostephus arizonicus, Gray. Gila and Frisco Rivers; April. 
Townsendia fendleri, Gray. Gila River; May. 
Aster spinosus, Benth. Common. 
Aster commutatus, Gray. Canyons, Frisco River; April. 
Aster canesceus latifolius, Gray. Frequent. 
Aster tanacetifolius, H. B. K. Common. 
Erigeron subdecurrens, Schultz. Dunean. 
Erigeron neo-mexicana, Gray. Metealf. 
Erigeron canadense L, Duncan. 
Conyza coulteri tenuisecta, Gray. Above Metealf. 
Baccharis emoryi, Gran. Dunean. 
Baccharis sarothroides, Gray. Metealf; October. 
Baccharis pteronoides, D. C. Coronado Mine; May. 
Baccharis thesioides, B. B. K. Coronado Mine; October. 
Baccharis viminea, D. C. Common. 
Gnaphalium sprengelii, H. & A. Chase Creek. 
