Table S 



Plant 



npling point 



i good t 

 s along 



the" 



cell 

 Grea 



t Lakes 



-.hn, 



1 fo 

 elin 



r ei 



osio 



n ab 



aten 















Common name 



Scientific Name 



Sampling locations 



Average 

 Site Index 2 



,' 



4 



5 



6 



e 



9 



10 



11 



12 



15 



16 



17 



IS 



20 



21 



22 



23 



24 



25 



26 



27 



57 



39 



Equisetaceae 

 Scouring rush 

 Equisetum fluviatile 

 Equisetum hyemale 















20 

















27 



















27.0 

 20.0 



Pinaceae 

 Balsam fir 



Abies balsamea 

































14 

















14.0 



Cypressaceae 

 Juniper 



Juniperus communis 

 Creeping cedar 



Juniperus korizontalia 



















7 















12 

 14 

















12.0 

 10.5 



Brome grass 



Bromus kdlmii 

 Reed 



Phragmites communis 

 Wheat grass 



Agropyron dasystachyum 

 Wild rye 



Elymus mollis 



Elymus canadensis 



Calamagvostis canadensis 

 Prairie sandreed 



Calamovilfa longifolia 

 Reed canary grass 



Phalaris arundinacea 



10 



19 



12 



8 

 9 





12 



17 

 22 



10 

 24 



8 



23 



8 





11 







8 



19 

 20 



21 





21 

 20 



20 





12 

 10 





12.0 



10.0 



21.0 



13.4 

 23.0 



16.3 



10.0 



19.0 



Rosaceae 

 Silver-weed 



Potentilla anserina 

 Wild rose 



Rosa blanda 

 Sand cherry 



Prunus pumila 











20 





23 





25 

 23 





16 











19 





10 



17 



25 









10.0 

 25.0 

 20.4 



"Ulih'rt- mzritim* 



IS 













24 

























10 











16.3 



Vitaceae 



Forest-grape 



Vitia riparia 



















16 







22 





24 





















20.7 



False heather 



Hudsonia tomentoea 















17 



































17.0 



Cornaceae 



Red osier dogwood 



CornuB atolonifera 









12 

















17 





21 











16 











16.5 



Ericaceae 



ArctOBtaphyloB uva-urBi 















22 





7 















16 









22 









16.8 



Compos itae 



Tanaitctum huroncnae 













27 





































27.0 



Cyperaceae 

 Spike rush 



Eleocharis paluBtpis 

 Bulrush 



Great hulrush 































14 

 23 

 17 





17 















14.0 

 23.0 

 17.0 



Rush 



Juncus balticua 







9 





























20 



10 













13.0 



Liliaceae 



False Solomon's seal 

 Sm-tacina stellata 



















28 















24 







23 











25.0 



Salicaceae 



Balsam-poplar 



Populus balsamifera 



Populus deltoidee 

 Sandbar-willow 



Salix interior 

 Heart-leaved willow 



Salix cordata 













15 

 27 







26 











24 













21 



22 



20 





12 



15.0 

 17.0 

 23.3 

 23.5 



Betulaceae 



Speckled alder 

 Alnus rugoaa 









15 









































15.0 



Cruciferae 

 Pepper-grass 



Lepidium virginiaum 



















28 































28.0 



Sampling 1 



2. This number is the average of 



Interpretation of indexes are 



ndicated on Figure 1. 



where it was encountered. 



29 



