TABLE I 
Western Tarahumara Agave 
Ecological 
Range Elevation Association}! 
subgenus Agave 
americana w Mexico to sw U.S. (100)-6000 ft. cult. (PO) 
var. expansa Jalisco to Ariz. & Calif. 
bovicornuta nw Sierra Madre Occidental 3000-6000 ft. Q-PO 
Son., Chih. & Sin. 
pacifica nw Mexico (0)-3500 ft. sT 
Son., Chih. & Sin. (cult.sT-O) 
Shrevet nw Mexico 3000-6000 ft. O-PO 
Son. & Chih. 
Wocomaht nw Sierra Madre Occidental 5000-7500 ft. © PO-P 
Son., Chih., Sin. & Dgo. 
subgenus Litlaea 
multifilifera nw Sierra Madre Occidental 5000-6000 ft. O-PO 
Chih. 
polianthiflora nw Sierra Madre Occidental 4000-6000 ft. ©Q-PO 
Son. & Chih. 
Vilmoriniana w Mexico 2000-4000 ft. sT 
Son. & Chih. to Jalisco & 
Aguascalientes 
1—_cult.=cultivated; O=oak forest (Quercus spp., e.g. Y. albocincta); P=pine 
forest (Pinus spp., e.g. P. Engelmannii, P. arizonica, P. ponderosa); PO= 
pine-oak forest; sT=arid sub-tropical forest with Ipomoea arborescens, Bur- 
sera spp. and various woody Leguminosae. 
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