Table 1. Primary target species for sensitive plant inventory on 

 BLM lands in the Centennial Valley, Beaverhead County, MT. 



SENSITIVE PLANTS OF THE CENTENNIAL VALLEY* 

 Montana Natural Heritage Progrzun 



Aguileqia formosa * 



Astragalus arqophyllus var . argophyllus 



Astragalus ceramicus var. apus * 



Astragalus lentiginosus * 



Astragalus leptaleus 



Astragalus terminalis* 



Atriplex truncata 



Balsamorhiza macrophylla 



Carex multicostata 



Carex parryana sap, idahoa 



Carex vallicola 



Castilleia rustica 



Cirsium subniveum 



Cryptantha fendleri* 



Downingia laeta 



El ymus flavescens 



Eriqeron gracilis 



Eriogonum ovalifoliiim var nevadense * 



Gentiana aquatica 



Gentianopsis simplex 



Haplopappus nanus 



Helenium hoopesii 



Ipomopsis conqesta ssp. crebrif olia 



Lesquerella sp. novum* 



Oenothera pallida var. idahoensis * 



Orobanche corymbosa 



Orogenia fusif ormis 



Potentilla plattensis 



Primula alcalina 



Ranunculus iovis 



Senecio debilis 



Sphaeralcea munroana * 



Stellaria crassifolia 



Thalictrum alpinum 



Thelypodium paniculatum * 



Thelypodium sagittatum var. sagittatum 



* This list represents a compilation of all state species of 

 concern documented within the study area as of 24 March 1993, 

 which were the primary target species for inventory. Those which 

 had been documented on BLM lands prior to this study are marked 

 by an asterisk (*) , and those species which were proposed for BLM 

 status in Montana (sensitive or watch; BLM draft list of March 

 1993) are bold-faced. 



In addition, five more rare species are reported from the 

 area by various sources, with incomplete information: Allium 

 acuminatum from the Centennials area by Lowry (1979), Castilleia 

 gracillima from the Centennials area by Lowry (1979), Kobresia 

 simpliciuscula from Odell Canyon by Lowry (1979), Pteryxia 

 hendersonii ( Cymopteris hendersonii ) reported from Odell Canyon 

 and Sheep Mountain - herbarium records needed from RM, and 

 Stephanomeria spinosa from Red Rock Pass - source unknown. 



