82 
IOWA ACADEMY OP SCIENCE 
PERCEN'TAGE DISTRIBUTION, NORTH SLOPE (A)— Continued 
Species 
Percentage to Each Plat 
1 
3 
4 
5 
6 
7 
Carex pennsylvanica 
Carex sp 
_ 
Carex sp 
Arisaema triphyllum 

8.7 
~~2.2 
Polygonatum commutatum 
0.8 
Salix longifolia 
19.4 
'3"5 
~J.2 
Populus grandidentata 
~'ai 
Corylus americana 
0.5 
Ostrya virginiana 
0.4 
1.8 
3.4 
Carpinus caroliniana 
'9'6 
0.8 
1.8 
Quercus alba 
~~0"2 
Quercus rubra 

1.1 
Ulmus fulva 
'o"8 
0.2 
Asarum canadense 
2 6 
0 9 
Thalictrum dioicum 
15.7 
6.6 
9.2 
"’sj 
Hepatica acutiloba 
4.3 
3.5 
10.6 
12.9 
Anemone virginiana 
. 
1.7 
Anemone quinquefolia 
7.8 
0.2 
''0~6 
Isopyrum biternatum 

'Y.7 
0.6 
Aquilegia canadensis 
'~9'6 
0.1 
Sanguinaria canadensis... 
~L7 
Draba caroliniana 
0.2 
Mitella dipbylla 
13.2 
~J.4 
1.8 
Ribes cynosbati 
, . 
0.8 
0.4 
”~0'2 
Amelancbier canadensis . . . 
1.6 
Rubus occidentalis 


0.8 
~~d.4 
"ol 


Rosa pratincola 
0.2 
Prunus virginiana 
i!7 
Astragalus canadensis 


0.4 

Desmodium grandiflorum . . 
8.7 
1.1 
Rhus Toxicodendron 
~T.7 
~0'9 
0.2 
Evonymus atropurpureus . . 

2.6 
Celastris scandens 
0.8 
"iJ 
Acer saccharum 
0.8 
0.2 
Impatiens pallida 
1.7 
Psedera quinquefolia 

"o’.i 
~'o'6 
Vitis vulpina 


1.7 



0.6 
Tilia americana 
0.8 
0.1 
Dirca palustris 
~0'.8 
Aralia racemosa 
”o~.8 
0.8 
0.4 
Aralia nudicaulis 
~'~ 2.0 
Osmorhiza Claytoni 
~~1.7 
'o'.i 
Cornus circinata 
~o"2 
Cornus asperifolia 
2.5 
Cornus alternifolia 
0.4 
Praxinus americana.. 
"ol 
Praxinus nigra 
0.2 
Hydrophyllum appendicula- 
turn 
Teucrium canadense 
____ 
~~d.8 
1.0 
Prunella vulgaris 
5"9 
Monarda flstulosa 
10.6 
Ts.o 
'2’6 
Pedicularis canadensis. . . . 
10.6 
13.0 
2.6 


Galium aparine 




+ 

-r 
