Rydberg: Phytogeographical notes 



99 



Northern Rockies 



Salix Dodgeana 

 Alsine americana 

 Leptasea Van Bruntiae 

 Drymocallis pseudorupestris 

 Eritrichium elongatum 



European 

 S. retusa 



D. rupestris 



E. nanum 



Asiatic 



A. dichotoma 

 L. bronchialis 



E. villosum 



Southern Rockies 



Condrophylla Fremontii 

 Anthropogon barbellatum 

 Eritrichium argenteum 



European 



A. ciliatum 

 E. nanum 



Asiatic 

 C. hnmilis 



E. villosum 



Still other species are probably derived from, or have the same 

 origin as, American glacial or American arctic plants. 



Southern Rockies 



Poa pudica 

 Festuca minutiflora 

 Salix pseudolapponum 

 Ahine polygonoides 

 Cerastium Earlei 

 Caltha rotundifolia 

 Draba pectinata 

 Rhodiola polygama 

 Polemonium delicatum 

 Castilleja Haydeni 



Northern Rockies 



Agropyron andinum 

 Agropyron latiglume 

 Salix cascadensis 

 Cerastium pidchellum 

 Caltha leptosepala 

 Caltha cheledoni 

 Phacelia Lyallii 

 Polemonium parviflorum 

 Erigeron pedatus 



P. arctica, glacial 



F. brachyphylla, glacial 



S. glaucops, glacial 



A. laeta, glacial 



C. Behringianum, glacial 



C. biflora, subarctic 



D. andina, glacial 



R. integrifolia, glacial 

 P. pulcherrimum, glacial 

 C. pallida, arctic 



A. biflorum, glacial 



A. biflorum, glacial 



S. arctica or 6 1 . anglorum, arctic 



C. Behringianum, glacial 



C. biflora, subarctic 



C. biflora, subarctic 



P. sericea, glacial 



P. pulcherrimum , glacial 



E. multifidus, glacial 



