"Perennial taxa communities: 6,000 to 4,000 bp" "Taxa communities defined by cluster analysis of linked individual taxon distributions (generated in ArcView 3.2 and exported as images) in MultiSpec™ " 1 2 3 4 5 6 Cluster Number 360 47 24 138 4010 82180 Sq. Kilometers 0.42 0.054 0.028 0.16 4.62 94.72 % of Study Area Taxa Abies concolor . . . . . . Acacia greggii . X . . . . Allionia incarnata . X X . . . Artemisia ludoviciana . . . . . . Berberis . X X . . . Carnegia gigantea . X X X X . Celtis pallida . X X X . . Cercocarpus intricatus . . . . . . Encelia farinosa . X X X . . Ephedra . . . . . . Euphorbia . X X . . . Fendlera rupicola . . . . . . Fraxinus anomala . . . . . . Janusia gracilis . X X . . . Juniperus . X X X . . Juniperus osteosperma . . . . . . Lepidium . . . . . . Mammillaria . X X . . Opuntia . . . . . . Opuntia acanthocarpa . X X . . . Opuntia bigelovii . X X . . . Opuntia chlorotica . X X X . . Opuntia erinacea . . . . . . Opuntia phaeacantha . X X X . . Opuntia spinosior . X X . . . Physalis . X X . . . Pinus edulis . . . . . . Pinus monophylla . X X . . . Pinus ponderosa . . . . . . Prosopis juliflora . X X . . . Pseudotsuga menziesii . . . . . . Quercus turbinella . X X . . . Rhus . . . . . . Ribes . . . . . . Sphaeralcea . X X . . . 0 20 19 6 1 0 Count 5 1 2 3 4 5 Rank