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Rare Plant Field Guide




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RARE PLANTS OF PIKE/SAN ISABEL NATIONAL FOREST
AND COMANCHE NATIONAL GRASSLAND
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Codes:
+ = Known to occur on Forest; ? = Suspected to occur on Forest.
S-FS = Forest Service Sensitive species.
See also Definitons and Codes.

Scientific Name
Common Name
Federal Status Presence
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Aletes lithophilus (Mathias)
W.A. Weber
Rock-loving aletes
(3C),S-FS/BLM
| ? |
Ambrosia linearis (Rydb.) Payne
Plains ragweed
(C2),S-FS
| ? |
Aquilegia saximontana Rydberg
ex B.L. Robinson in A. Gray
Rocky Mountain columbine
(3C)
| + |
Armeria scabra Pallas ssp. sibirica
(Turcz. ex Boiss.) Hylander
Sea pink
S-FS
| + |
Asclepias uncialis Greene
Dwarf milkweed
(C2),S-FS/BLM
| ? |
Askellia nana (Richardson)
W.A. Weber
Dwarf hawksbeard
| + |
Astragalus molybdenus Barneby
Leadville milkvetch
(C2),S-FS
| + |
Botrychium echo W.H. Wagner
Reflected moonwort
S-FS
| + |
Botrychium lineare W.H. Wagner
no common name
(C2),S-FS
| + |
Botrychium pallidum W.H. Wagner
Pale moonwort
(C2),S-FS
| + |
Botrypus virginianus (L.) Holub
ssp. europaeus (Ĺngström) Holub
Rattlesnake Fern
| + |
Braya glabella (Richardson)
S. Watson var. glabella
Arctic braya
S-FS
| + |
Braya humilis (C.A. Mey.)
B.L. Robins.
Alpine braya
| + |
Carex concinna R. Br.
Low northern sedge
S-BLM
| + |
Carex leptalea Wahlenb.
Bristle-stalk sedge
| ? |
Carex livida (Wahlenb.) Willd.
Livid sedge
S-FS
| + |
Carex peckii Howe
Peck sedge
| + |
Carex tenuiflora Wahlenb.
Slender-flower sedge
| + |
Carex viridula Michx.
Green sedge
(C2),S-FS/BLM
| ? |
Chenopodium cycloides A. Nels.
Sandhill goosefoot
(C2),S-FS
| ? |
Cylactis arctica (L.) W.A. Weber
ssp. acaulis (Michaux) W.A. Weber
Nagoon berry
S-FS
| + |
Cypripedium calceolus L. ssp. parviflorum (Salisbury) Hultén
Yellow lady’s-slipper
(C2),S-FS/BLM
| + |
Cystopteris montana (Lam.) Bernh.
ex Desv.
Mountain bladder fern
| + |
Draba borealis DeCandolle
Northern rockcress
| + |
Draba globosa Payson
Rockcress draba
| + |
Draba grayana (Rydberg)
C.L. Hitchcock
Gray’s Peak whitlow-grass
| + |
Draba smithii Gilg ex O.E. Schulz
Smith whitlow-grass
(C2),S-FS
| + |
Epipactis gigantea Dougl. ex Hook.
Giant helleborine
S-FS/BLM
| ? |
Erigeron lanatus Hook.
Woolly fleabane
S-FS
| + |
Eriogonum brandegei Rydb.
Brandegee wild buckwheat
(C1),S-FS/BLM
| ? |
Eriogonum coloradense Small
Colorado wild buckwheat
S-BLM
| + |
Eriophorum altaicum Meinshausen
var. neogaeum Raymond
Altai cottongrass
S-FS
| + |
Eriophorum gracile W.D.J. Koch in Roth
Slender cottongrass
| + |
Eutrema edwardsii R. Brown ssp. penlandii
(Rollins) W.A. Weber
Penland alpine fen mustard
T,S-BLM
| + |
Festuca campestris Rydb.
Big rough fescue
| + |
Frasera coloradensis (Rogers) D.M. Post
Colorado green gentian
(C2),S-FS
| + |
Goodyera repens (L.) R. Brown
Dwarf rattlesnake-plantain
| + |
Ipomopsis globularis (Brand) W.A. Weber
Globe gilia
S-FS
| + |
Lilium philadelphicum L.
Wood lily
| + |
Listera borealis Morong
Northern twayblade
S-BLM
| + |
Machaeranthera coloradoensis (Gray) Osterhout
Colorado tansy-aster
S-FS
| + |
Malaxis monophyllos (L.) Solander
ex Swartz
ssp. brachypoda
(A.Gray) Löve & Löve
White adder’s-mouth
(C2),S-FS
| + |
Mimulus gemmiparus W.A. Weber
Weber monkey-flower
(C2),S-FS
| + |
Oenothera harringtonii W.L. Wagner
et al. in W.L. Wagner
Arkansas Valley evening primrose
| ? |
Onoclea sensibilis L.
Sensitive fern
| ? |
Oreoxis humilis Raf.
Pikes Peak spring parsley
| + |
Papaver kluanense D. Löve
Alpine poppy
| + |
Parnassia kotzebuei Chamisso
& Schlechtendal
Kotzebue grass-of-parnassus
| + |
Pellaea atropurpurea (L.) Link
Purple cliff-brake
| + |
Pellaea wrightiana Hook.
Wright’s cliff-brake
(C2),S-FS/BLM
| + |
Penstemon degeneri Crosswhite
Degener beardtongue
(3C),S-FS/BLM
| + |
Phippsia algida (Phipps) R. Br.
Snow grass
(3C)
| + |
Primula egaliksensis Wormsk.
Greenland primrose
S-FS
| + |
Ptilagrostis porteri (Rydberg) W.A. Weber
Porter feathergrass
(C2),S-FS
| + |
Pyrola picta Smith
Pictureleaf wintergreen
| ? |
Ranunculus gelidus Karilin & Kirilow
ssp. grayi (Britton) Hultén
Tundra buttercup
| + |
Salix candida Fluegge
Silver willow
| + |
Salix lanata L. ssp. calcicola
(Fern. & Wieg.) Hultén
Lime-loving willow
S-FS
| + |
Salix serissima (Bailey) Fern.
Autumn willow
S-FS
| ? |
Saussurea weberi Hultén
Weber saussurea
(3C),S-BLM
| + |
Sisyrinchium pallidum Cholewa & D. Henderson
Pale blue-eyed grass
(C2)
| ? |
Trichophorum pumilum (M. Vahl)
Schinz & Thellung
Little bulrush
S-FS
| + |
Unamia alba (Nuttall) Rydberg
Prairie goldenrod
| + |
Viola pedatifida G. Don
Prairie violet
| + |
Viola selkirkii Pursh ex Goldie
Selkirk violet
S-FS
| + |


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