RYDBERG: PHYTOGEOGRAPHICAL NOTES 
I. TREES AND SHRUBS 
a. Eastern and transcontinental 
Populus tremuloides 
Salix Bebbiana 
Betula papyrifera 
Sahx Scouleriana 
Ribes viscosissimum 
Rubacer parviflorum 
Salix perrostrata 
Edwinia americanat 
Ribes coloradenset 
Ribes Wolfiit 
Opulaster glabratust 
Sericotheca microphyllat 
Rosa Bourgeautana 
Distegia tnvolucrata 
b. Western 
Rubus melanolasius 
Sorbus scopulina 
Vaccinium scoparium 
c. Endemic 
Rosa Engelmannit 
Rosa melinat 
Rosa Woodsit 
Sambucus microbotryst 
Sambucus melanocarpa 
2. HERBS 
a. Eastern and transcontinental 
Phleum alpinum 
Agrostis oreophila 
Avena striata 
Danthonia spicata 
Poa crocata 
Bromus Richardsonii 
Agropyrum Richardsonii 
Vagnera stellata 
Ranunculus micranthus 
Fragaria americana 
Tium alpinum 
Festuca subulata 
Elymus glaucus 
Veratrum speciosum 
Vagnera amplexicaulis 
Vagnera liliacea 
Viola canadensis 
Heracleum lanatum 
Aralia nudicaulis 
Pedicularis canadensis 
Galium boreale 
Erigeron droebachiensis 
Botrychium simplex 
Botrychium neglectum 
Botrychium virginianum 
Botrychium silaifolium 
Polystichum Lonchitis 
b. Western 
Trillium ovatum 
Thalictrum sparsiflorum 
Aquilegia coerulea 
Fragaria bracteata 
Geranium viscosissimum 
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