| Description: | This is the major macrogroup of the Baja California peninsula and is characterized by xeromorphic trees, tall shrubs and cacti with or without shorter desert scrub. Characteristic species such as Bursera fagaroides var. elongata, Bursera hindsiana, Bursera microphylla, Fouquieria columnaris, Fouquieria diguetii, Fouquieria peninsularis, Fouquieria splendens, Jatropha cuneata, Pachycereus pringlei, Pachycereus schottii, Pachycormus discolor, Parkinsonia microphylla, Stenocereus thurberi, and Viguiera laciniata may be present to dominant. Short-statured salt desert scrub Frankenia palmeri with Atriplex spp., such as Atriplex julacea or Atriplex polycarpa, and San Lucan tropical thornscrub are also included in this macrogroup. |