160 
PLANTS OP YELLOWSTONE NATIONAL PARK 
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Verbenaceae_______ 107 
Veronica _ 109 
americana _ 110 
peregrina _ 110 
scutellata _ 110 
serpyllifolia _ 110 
wormskjoldii _ 110 
Vida americana _ 80 
linearis _ 80 
Viola adunca _ 88 
atri plicifolia _ 87 
bellidifolia _ 88 
blanda _ 87 
canadensis _ 88 
erectifolia __ 87 
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Viola linguaefolia _ 87 
montanensis ___ 88 
nephrophylla _ 87 
nuttallii _ 87 
palustris _ 87 
subvestita _ 88 
venosa ___ 88 
Violaceae_ 87 
Washingtonia divaricata _ 95 
Woodsia scopulina _ 19 
Wyethia helianthoides _ 130 
Xerophyllum tenax _ 39 
Zygadenus elegans _ 40 
venonosus -- 40 
O 
