"Perennial taxa communities: 8,000 to 6,000 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 4 5 6 7 8 Cluster Number 4468 44 25 777 19 41 81025 Sq. Kilometers 5.2 0.05 0.03 0.9 0.02 0.05 93.8 % of Study Area Taxa . . . . . . . Acacia greggii . . . . . . . Agave utahensis X X X X X . . Ambrosia dumosa . . . . . . . Amelanchier utahensis . . . . . . . Artemisia ludoviciana . . . . . . . Ceanothus greggii . . . . . . . Celtis reticulata . . . . . . . Cercocarpus intricatus . . . . . . . Cowania mexicana X X . x . . . Cryptantha . . . . . . . Echinocereus . X . . . . . Encelia frutescens . . . . . . . Ephedra X X X . X . . Ephedra nevadensis . . . . . . . Ferocactus acanthodes . . . . . . . Forsellesia nevadensis . . . . . . . Fraxinus . . . . . . . Fraxinus anomala . X X . X . . Juniperus osteosperma X X X X . X . Larrea divaricata . . . . . . . Lepidium . . . . . . . Lithospermum . . . . . . . Olneya tesota . . . . . . . Opuntia . X X . X . . Opuntia chlorotica X X . . . . . Opuntia erinacea X X X X X X . Opuntia phaeacantha X X X X X . . Opuntia whipplei X X . x . X . Oryzopsis hymenoides . . . x . . . Ostrya knowltonii . . X . X . . Physalis . . . . . . . Pinus edulis . . . x . X . Pinus flexilis . . . . . . . Pinus ponderosa . . . . . . . Prosopis juliflora . . . . . . . Pseudotsuga menziesii X X X X X X . Ptelea pallida . . X . X . . Quercus gambelii . . . . . . . Quercus turbinella X X X . X . . Quercus undulata . . . . . . . Rhus X X X X X . . Rhus trilobata . . . . . . . Sambucus neomexicana . . X . X . . Sphaeralcea . . . . . . . Symphoricarpos . . . . . . . Thelesperma longipes . . . . . . . 11 14 13 10 12 5 0 Count 4 1 2 5 3 6 7 Rank