37 



asterisk can be cxinsidered indicator ^secies: 



*Carex vesiccuria (Inflated Sedge) 



Callitriche heterophylla (Different-leaved Water- 



starwort) 

 * Eauisetum fluviatile (Water Horsetail) 

 Potanioqetcy> cpramineus (Veiriable Leaf Pcaidweed) 

 Ranunculus aquatilis (Hairleaf Water Butterop) 

 * Sium suave (Hemlock Water-peursnip) 

 Spatrctanium minimim (Small Bur-reed) 



Other herbaceous species less frequently associated with ]L 

 aquatilis in Montana include: 



Alisma plantacjo-aquat ica (American Waterplantain) 

 Alopecurus aequalis (Shortawn Foxtail) 

 Ceupex atherodes (Slough Sedge) 

 Carex rostra ta (Beaked Sedge) 

 Eleoch^u:is palustris (Coimon Spi)cesedge) 

 Glvoeria borealis (Northern htinnagrass) 

 Myriophvlluro spicaturo (Spiked Water-milfoil) 

 Nup^ar varieaatum (Yellcw Water-lily) 

 Fhal^u:is arundinaoea (Reed canaurygrass) 

 RzuTunculus amelinii (Gknelin's Buttercup) 

 Saaitt^tt•ia cuneata (Duckpotato Arrowhead) 

 Typha latifolia (Oonnon Cattail) 

 Utricularia vulgaris (Oonnon Bladdervort) 

 Veronica catcnata (Chain Speedwell) 



In Washington, the ponds are surrounded most often by the 

 follcwing tree and shrub ^secies: 



fiamys stolonlfera (Red Osier Dogwood) 

 Fraxinus latifolia (Ash) 

 Pinus ponderosa (Ponderosa Pine) 

 Populus trgnoloides (^oaiking Aspen) 

 Populus trichocarpa (Black Cottonwood) 

 Svnyihoriceurpos albus (Oonmon Snowberry) 



Associated aquatic ^secies in Washington include: 



Callitriche staqnalis (Pond Water-starwort) 



Ludwiqia palustris (Ludwigia) - drying eureas 



Nuphaur polvsepalum (Spatter-dock) 



Polygonum ooocineum (Water Smartweed) 



Ranunculus flabellaris (Yellcw Buttercup) 



Ranunculus flanmula (Creeping Butterci^D) - drying areas 



In Idaho, the forests bordering the broad river bottom eure 

 dominated by a mixture of coniferous species, including 

 Pinus oontorta . lacix occidental is . Thuia plicata (Western 

 Red-oedar) , Abies grandis, Pinus ponderosa , and Abies 

 lasiocarpa . Species imnediately bordering the pord include 

 Crataecais dcuglasii (Hawthorn), Comus stolonifera . Alnus 



