10 Lilium montanum A. Nels. _Red Mountain-Lily_ 46
10 Kruhsea streptopoides (Ledeb) Kearney. _Kruhsea_ 46
11 Cypripedium passerinum Rich. _Small White Lady’s Slipper_ 54
11 Cypripedium parviflorum Salisb. _Small Yellow Lady’s Slipper_ 54
12 Corallorhiza Corallorhiza (L). Karst. _Coral-Root_ 56
12 Lyschiton kamtschatcense (L.) Schott. _Western Skunk-Cabbage_ 56
13 Cytherea bulbosa (L.) House. _Calypso_ 58
13 Orchis rotundifolia Pursh. _Small Round-Leaved Orchid_ 58
14 Limnorchis dilatatiformis Rydb. _Purplish-Green Bog-Orchid_ 62
14 Peramium Menziesii (Lindl.) Morong. _Menzies’ Rattlesnake
Plantain_ 62
15 Ophrys borealis (Morong). _Northern Twayblade_ 64
15 Ophrys nephrophylla Rydb. _Heart-Shaped Twayblade_ 64
15 Cœloglossum bracteatum (Willd) Parl. _Long-Bracted Orchid_ 64
15 Limnorchis fragrans Rydb. _Fragrant White Bog-Orchid_ 64
15 Lysiella obtusata (Pursh) Rydb. _Small Northern Bog-Orchid_ 64
16 Comandra pallida DC. _White Comandra_ 74
16 Eriogonum subalpinum Greene. _Tall White Eriogonum_ 74
17 Claytonia lanceolata Pursh. _Spring Beauty_ 80
17 Claytonia parvifolia Moc. _Small-Leaved Spring Beauty_ 80
18 Silene acaulis L. _Moss Campion_ 82
18 Lychnis apetala L. _Nodding Lychnis_ 82
19 Alsine borealis (Bigel.) Britton. _Northern Stitchwort_ 86
19 Mœhringia lateriflora (L.) _Blunt-Leaved Sandwort_ 86
19 Arenaria capillaris nardifolia (Ledeb.) Regel.
_Rock Sandwort_ 86
20 Caltha leptosepala Hook. _Caltha leptosepala_ 104
20 Trollius albiflorus (A. Gray) Rydb. _Western Globe-Flower_ 104