Vol. IX] HALL & GRINNELL— LIFE-ZONE INDICATORS 47 



LOWER SONORAN ZONE--Continued 



Eriophyllum pringlei Gray 



Eriophyllum wallacei Gray 



Franseria dumosa Gray* 



Geraea canescens T. & G. 



Gutierrezia lucida Greene* 



Heterotheca grandiflora Nutt.* 



Hoffmanseggia densiflora Benth. 



Hofmeisteria pluriseta Gray 



Isocoma veneta acradenia (Greene) Hall 



Lepidospartum squamatum Gray* 



Lygodesmia exigua Gray 



Malacothrix californica DC. 



Malacothrix coulteri Gray 



Malacothrix glabrata (Eat.) Gray 



Monoptilon bellioides (Gray) Hall 



Nicolletia occidentalis Gray 



Palafoxia linearis Lag. 



Pectis papposa Harv. & Gray 



Perityle emoryi Torr. 



Peucephyllum schottii Gray 



Pluchea sericea (Nutt.) Coville 



Porophyllum gracile Benth. 



Psathyrotes annua (Nutt.) Gray 



Psathyrotes ramosissima (Torr.) Gray 



Psilostrophe cooperi (Gray) Greene 



Tetradymia comosa Gray 



Trichoptilium incisum Gray 



Viguiera deltoidea parishii (Greene) Rose 



Viguiera laciniata Gray 



Amphibians 



Batrachoseps major Camp 

 Bufo cognatus cognatus Say 

 Bufo cognatus californicus Camp 

 Bufo punctatus Baird & Girard 

 Bufo alvarius Girard 



