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Rare Plant Field Guide




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RARE PLANTS OF ARAPAHOE/ROOSEVELT NATIONAL FOREST
AND
PAWNEE 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 humilis Coult. & Rose
Larimer aletes
(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 osterhoutii M.E. Jones
Osterhout milkvetch
E
| ? |
Bolophyta alpina Nuttall
Wyoming feverfew
(3C),S-FS
| + |
Botrychium campestre W.H. Wagner
& Farrar
Prairie moonwort
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 (Ångström) Holub
Rattlesnake Fern
| ? |
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
| + |
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
| + |
Cypripedium fasciculatum Kellogg
ex S. Wats.
Purple lady’s-slipper
(C2),S-FS
| + |
Cystopteris montana (Lam.) Bernh.
ex Desv.
Mountain bladder fern
| + |
Draba exunguiculata (O.E. Schulz)
C.L. Hitchcock
Clawless draba
(3C)
| + |
Draba grayana (Rydberg)
C.L. Hitchcock
Gray’s Peak whitlow-grass
| + |
Festuca hallii (Vasey) Piper
Hall fescue
(3C),S-FS
| + |
Gaura neomexicana Wooton
ssp. coloradensis (Rydb.) Raven & Gregory
Colorado butterfly plant
(C,S-FS
| ? |
Goodyera repens (L.) R. Brown
Dwarf rattlesnake-plantain
| + |
Ipomopsis aggregata (Pursh) V. Grant
ssp. weberi Grant & Wilken
Rabbit ears gilia
(C2),S-FS
| ? |
Lilium philadelphicum L.
Wood lily
| + |
Listera borealis Morong
Northern twayblade
S-BLM
| + |
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
| ? |
Papaver kluanense D. Löve
Alpine poppy
| + |
Parnassia kotzebuei Chamisso
& Schlechtendal
Kotzebue grass-of-parnassus
| + |
Phippsia algida (Phipps) R. Br.
Snow grass
(3C)
| + |
Potentilla rupincola Osterhout
Rocky Mountain cinquefoil
(C2),S-FS
| + |
Ranunculus gelidus Karilin & Kirilow
ssp. grayi (Britton) Hultén
Tundra buttercup
| + |
Salix candida Fluegge
Silver willow
| + |
Salix serissima (Bailey) Fern.
Autumn willow
S-FS
| ? |
Sisyrinchium pallidum Cholewa & D. Henderson
Pale blue-eyed grass
(C2)
| ? |
Spiranthes diluvialis Sheviak
Ute ladies’-tresses
T
| ? |
Unamia alba (Nuttall) Rydberg
Prairie goldenrod
| ? |


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