148 
PLANTS OF YELLOWSTONF- NATIONAL PARK 
Sweetclover, white_ 
yellow __ 
Sweet vetch_ 
Tarrogon, false_ 
Tar weed_ 
Thermopsis_ 
Thistle_ 
Canada_ 
elk_ 
plains_ 
Russian_ 
Threadflower gilia_ 
Toadflax_ 
Tobacco-root_ 
Trailing buttercup_ 
Twinflower, American _ _ - 
Twinleaf, bedstraw_ 
Twinpod_ 
Twistedstalk_ 
Utah honeysuckle_ 
Valerian_ 
family_ 
Vervain family_ 
ground_ 
Vetch_ 
American_ 
Violet_ 
Canada_ 
dogtooth_ 
family_ 
sweet white_ 
Virginsbower, western.__ 
Water crowfoot_ 
ladysthumb_ 
milfoil family_ 
plantain family_ 
starwort family_ 
Waterclover_ 
Waterhemlock, western. 
Waterleaf family_ 
Waterlily family_ 
Waterparsnip, American 
Waterstar_ 
Western black currant __ 
bog blueberry_ 
bracken_ 
ghostpipe_ 
Page 
Western poison-ivy_ 85 
snowberry_ 115 
virginsbower_ 60 
waterhemlock_ 95 
wintergreen_ 97 
White bog-orchid_ 43 
clover_ 79 
hawkweed_ 138 
mule-ears_ 130 
sweetclover_ 79 
Whitebark pine_ 21 
Whiteflowering raspberry_ 74 
Whitestem gooseberry_ 72 
White vein pyrola_ 96 
Whitlowgrass_ 68 
Whortleberry, big_ 98 
grouse_ 98 
Whortleleaf snowberry_ 115 
Wigeongrass_ 31 
Wild-begonia_ 52 
rye, giant_ 33 
Willow_ 46 
dock_ 51 
family_ 45 
weed_ 91 
Wintercress_ 67 
Wintergreen_ 97 
family_ 95 
western_ 97 
Wirelettuce_ 136 
Wokas_ 56 
Woodnymph_ T _ 95 
Woodrush_ 37 
Woods rose_ 78 
Woodsia, Rocky Mountain_ 19 
Woolly groundsel_ 135 
Wormseed mustard_ 65 
Wormwood_ 133 
fringed_ 133 
Wreath aster_ 124 
Wyeth eriogonum_ 49 
Yampa_ 95 
Yarrow_ 132 
Yellow fritillary_ 39 
sand verbena_ 53 
sweetclover_ 79 
Yellowbell_ 39 
Page 
79 
79 
80 
133 
131 
79 
119 
136 
136 
136 
53 
103 
112 
117 
63 
115 
114 
67 
40 
116 
117 
117 
107 
107 
79 
80 
87 
88 
39 
87 
87 
60 
61 
52 
93 
33 
84 
19 
95 
104 
56 
95 
85 
73 
99 
18 
113 
