Appendix A. Vascular plant species observed in the Pryor Mountains Desert Study Area 

 in 1991. Nomenclature follows Dorn (1988) except nomenclature for grasses 

 follows Hitchcock and Cronquist (1973). Nomenclature for rare plants follows 

 Lesica and Shelly (1991). * - non-native species. 



ANACARDIACEAE 



Rhus trilobata 



APIACEAE 



Cymopterus acaulis 

 Cymopterus terebinthinus 

 Lomatium foeniculaceum 

 Lomatium orientale 

 Lomatium triternatum 

 Musineon divaricatum 

 Musineon vaginatum 



ASCLEPIADACEAE 



Asclepias speciosa 



ASTERACEAE 

 Achillea millefoHum 

 Agoseris glauca 

 Antennaria dimorpha 

 Antennaria microphylla 

 Antennaria parvifoHa 

 Arnica fulgens 

 Arnica sororia 

 Artemisia arbuscula 

 Artemisia biennis 

 Artemisia campestris 

 Artemisia cana 

 Artemisia frigida 

 Artemisia longifolia 

 Artemisia pedatifida 

 Artemisia spinescens 

 Artemisia tridentata 

 Chaenactis douglasii 

 Chrysopsis villosa 

 Chrysothamnus nauseosus 

 Chrysothamnus visciditlorus 

 Cirsium undulatum 

 Crepis sp. 



Erigeron allocotus 

 Erigeron caespitosus 

 Erigeron ochroleucus 

 Gutierrezia sarothrae 

 I laplopappus acaulis 

 Haplopappus armerioides 

 Helianthus annuus 

 I lelianthus nuttallii 

 Hymenopappus filifolius 

 14ymenoxys acaulis 

 I iymenox7S torreyana 

 Iva axillaris 

 Lygodesmia juncea 

 Machaeranthera grindelioides 

 Machaeranthera tanacetifolia 

 Malacothrix torreyi 

 Nothocalais troximoides 

 Platyschkuhria integrifolia 

 Senecio canus 

 Senecio crassulus 

 Sphaeromeria capitata 

 Stephanomeria runcinata 

 Tetradymia spinescens 

 Thelesperma subnudum 

 Townsendia hookeri 

 Townsendia incana 

 Townsendia spathulata 

 Wyethia scabra 

 Xylorhiza glabriuscula 



BORAGINACEAE 



Cryptantha ambigua 

 Cryptantha cana 

 Cryptantha flavoculata 

 Cryptantha kelseyana 

 Cryptantha minima 

 Cryptantha scoparia 

 Cryptantha spiculifera 



39 



