| Symbols |
Scientific
name |
Common
name |
Where
found |
| Dryopteridaceae-
Wood Ferm Family |
| NPF |
Dryopteris
filix-mas (L.) Schott |
Male
Fern |
Moonshiner's
Cave, lava crevices around buttes |
| NPF |
Woodsia
oregana D.C. Eat. |
Woodsia |
Webb
Springs |
| Euphobiaceae
- Spurge Family |
| NAF |
Chamaesyce
glyptosperma (Engelm.) Small |
Corrugate-seeded
spurge |
Central
Facilities Area, dry stream beds, along
roadsides, scattered |
| NAF |
Chamaesyce
serpyllifolia (Pers.) Small |
Thyme-leaved
spurge |
Central
Facilities Area, dry stream beds, along
roadsides, scattered |
| IPF |
Euphorbia
esula L. |
Esula
spurge |
Big
Lost River |
| NAF |
Euphorbia
glyptosperma Engelm. |
Corrugate-seeded
spurge |
(see
Chamaesyce glyptosperma) |
| NAF |
Euphorbia
serpyllifolia Pers. |
Thyme-leaved
spurge |
(see
Chamaesyce serpyllifolia) |
| Fabaceae
(Leguminosae) - Pea Family |
| NPF |
Astragalus
agrestis Dougl. |
Purple
milkvetch, Field milkvetch |
Big
Southern Butte, Birch Creek |
| NPF* |
Astragalus
aquilonius (Barneby) Barneby |
Lemhi
milkvetch
STATE
SENSITIVE |
west
foothills |
| NPF |
Astragalus
calycosus Torr.
var. calycosus |
Matted
milkvetch, Torrey's milkvetch |
common
on playas, scattered with sagebrush |
| NPF |
Astragalus
canadensis L.
var. brevidens (Gandg.)
Barneby |
Canada
milkvetch |
sagebrush
along Big Lost River, north end along roadsides |
| NPF |
Astragalus
ceramicus Sheld.
var. apus Barneby |
Painted
milkvetch |
north
end, common in sandy, sagebrush areas |
| NPF |
Astragalus
cibarius Sheld. |
Browse
milkvetch |
Webb
Springs, roadsides along west edge |
| IPF |
Astragalus
cicer L. |
Chick-pea
milkvetch, Cicer milkvetch |
planted
along roadsides, Lincoln road |
| NPF |
Astragalus
convallarius Greene
var. convallarius |
Lesser
Rush milkvetch |
Twin
Buttes with sagebrush |
| NPF |
Astragalus
curvicarpus (A. Hell.) Macbr.
var. carvicarpus |
Curvepod
milkvetch, Sickle milkvetch |
sagebrush
near buttes, roadsides north of Central
Facilities Area, spreading area |
| NPF |
Astragalus
filipes Torr. |
Basalt
milkvetch, Threadstock milkvetch |
common
with sagebrush throughout site |
| NAF |
Astragalus
geyeri Gray
var. geyeri |
Geyer's
milkvetch |
scattered
north and west edges of site |
| NPF* |
Astragalus
gilviflorus Sheld. |
Plains
orophaca
STATE PRIORITY
1 |
Reno
Point |
| NPF |
Astragalus
kentrophyta Gray
var. jessiae (Peck)
Barneby |
Thistle
milkvetch |
north
end of west foothills and adjacent area west of
TAN |
| NPF |
Astragalus
lentiginosus Dougl.
var. salinus (Howeel)
Barneby |
Freckled
milkvetch |
common
and widespread |
| NPF |
Astragalus
miser Doug.
var. tenuifolius
(Nutt.) Barneby |
Weedy
milkvetch |
Big
Southern Butte, north and west edges of site |
| NPF |
Astragalus
purshii Dougl.
var. concinnus Barneby |
Pursh's
milkvetch, Wooly-pod milkvetch |
scattered
on buttes and west foothills |
| NPF |
Astragalus
purshii Dougl.
var. glareosus Dougl.
Barneby |
Pursh's
milkvetch, Wooly-pod milkvetch |
scattered
on buttes and in west foothills |
| NPF |
Astragalus
purshii Dougl.
var. purshii |
Pursh's
milkvetch, Wooly-pod milkvetch |
common
throughout site |
| NPF |
Astragalus
terminales Wats. |
Railhead
milkvetch |
west
foothills |
| NPF |
Dalea
ornata (Dougl.) Eat. & Wright |
Handsome
prairie clover |
sagebrush
areas along Big Lost River |
| NPF |
Glycyrrhiza
lepidota Pursh.
var. glutinosa (Nutt.)
Wats. |
Nuttall's
licorice, Licorice-root
(now no varietal status) |
Big
Lost River, Birch Creek, spreading area and
sinks |
| NPF |
Glycyrrhiza
lepidota Pursh.
var. lepidota |
American
licorice, Licorice-root
(now no varietal status) |
Big
Lost River, Birch Creek, spreading area and
sinks |
| NPF |
Hedysarum
boreale Nutt.
ssp. boreale
var. boreale |
Northern
sweetvetch |
scattered
over north end of site |
| NPF |
Lupinus
argenteus Pursh
ssp. argenteus
var. argenteus |
Silvery
lupine |
Big
Southern Butte, sage brush, Big Lost River, and
spreading area |
| NPF |
Lupinus
argenteus Pursh
var. holosericeus
(Nutt.) Barnegy |
Silvery
lupine |
(see.
L. holosericeus) |
| NPF |
Lupinus
burkei S. Wats.
ssp. burkei |
Meadow
lupine, Blue pod |
Webb
Springs, Birch Creek, spreading areas |
| NPF |
Lupinus
holosericeus Nutt. |
Silvery
lupine |
scattered
and common |
| NPF |
Lupinus
polyphyllus Lindl.
var. burkei (Wats.)
Hitchc. |
Meadow
lupine, Blue pod |
(see
L. burkei ssp. burkei) |
| NPF |
Lupinus
polyphyllus Lindl.
var. prunophilus
(Jones) Phillips |
Hairy
bigleaf lupine |
(see
L. prunophilus) |
| NPF |
Lupinus
prunophilus Jones |
Hairy
bigleaf lupine |
south
end of site, uncommon |
| NAF |
Lupinus
pusillus Pursh
ssp. intermountanus
var. intermontanus
(A.A. Heller) C. P. Smith |
Small
lupine, Tiny peavine |
common
in sandy areas on north end of site |
| NPF |
Lupinus
sericeus Pursh |
Silky
lupine |
Spreading
area |
| IAF |
Medicago
lupulina L. |
Black
medic, Hop clover |
Webb
Springs, Birch Creek |
| IPF |
Medicago
sativa L. |
Alfalfa |
common
along roads |
| IPF |
Meliotus
albus Desr. |
White
sweet clover |
(see
M. officinalis) |
| IPF |
Melilotus
officinalis (L.) Lam. |
Common
yellow sweet clover |
common
on roadsides |
| NPF |
Oxytropis
lagopus Nutt.
var. lagopus |
Rabbit-foot
crazyweed |
west
foothills |
| NPF |
Oxytropis
sericea Nutt.
var. sericea |
Silky
crazyweed |
roadsides
by the Twin Buttes |
| NPF |
Petalostemon
ornatum Dougl. |
Handsome
prairie-clover |
(see
Daleo ornata) |
| NPF |
Psoralea
lanceolata Pursh |
Lance-leaved
scruf-pea |
(see
Psoralidium lanceolatum) |
| NPF |
Psoralidium
lanceolatum (Pursh.) Rydb. |
Lance-leaved
scurf-pea |
north
end of site mostly in sandy areas |
| NPF |
Thermopsis
montana Nutt.
var. montana |
Mountain
thermopsis, False-lupine, Buck-bean |
(see
T. rhombifolia var. montana) |
| NPF |
Thermopsis
rhombifolia (Nutt.) Richardson
var. montana (Nutt.)
Isely |
Mountain
thermposis, False-lupine, Buck-bean |
Birch
Creek |
| IPF |
Trifolium
pratense L.
var. pratense |
Red
clover |
along
highway near Birch Creek |
| IPF |
Trifolium
repens L. |
White
clover, Dutch clover |
along
Birch Creek, lawns in Central Facilities Area |
| NPF |
Vicia
americana Muhl.
ssp. minor |
American
vetch |
scattered
throughout site |
| Fumariaceae
- Fumitory Family |
| NAF |
Corydalis
aurea Willd. |
Golden
corydalis, Ground smoke |
Big
Southern Butte |
| Geraniaceae
- Geranium Family |
| IAF |
Erodium
cicutarium (L.) L'Her |
Stork's
bill |
throughout
Central Facilities Area, near spreading area |
| Gramineae
- Grass Family (see Poaceae) |
| |
|
|
|
| Grossulariaceae
- Currant or Gooseberry Family |
| NPS |
Ribes
aureum Pursh. |
Golden
currant |
Big
Lost River, Webb Springs |
| NPS |
Rebes
cereum Dougl.
var. cereum |
Squaw
currant |
Big
Southern Butte |
| NPS |
Ribes
cereum Dougl.
var. inebrians (Lindl.)
Hitchc. |
Squaw
currant |
(see.
R. cereum var. pedicellare) |
| NPS |
Ribes
cereum Dougl.
var. pedicellare Brewer
& S. Wats. |
Squaw
currant |
Big
Southern Butte and west foothills |
| NPS |
Ribes
oxyacanthoides L.
ssp. setosum (Lindl.)
Sinnott |
Gooseberry,
Missouri gooseberry |
Birch
Creek |
| NPS |
Ribes
setosum Lindl. |
Gooseberry,
Missouri gooseberry |
(see
R. oxyacanthoides ssp. setosum) |
| Hydrophyllaceae
- Waterleaf Family |
| NPF |
Hesperochiron
pumilus (Griseb.) Porter |
Dwarf
hesperochiron |
north
of Big Southern Butte |
| NAF |
Nama
densum Lemmon
var. parviflorum (Greenm.)
Hitchc. |
Matted
nama |
west
foothills |
| NAF |
Phacelia
glandulifera Piper |
Sticky
phacelia |
(see
P. ivesiana var. glandulifera) |
| NAF |
Pacelia
glandulosa Nutt. |
Glandular
phacelia |
buttes |
| NPF |
Phacelia
hastata Dougl.
var. hastata |
Silverleaf
phacelia |
north
of spreading area, buttes |
| NAF |
Phacelia
incana Brand |
Hoary
phacelia |
west
foothills |
| NAF* |
Phacelia
inconspicua Greene |
Inconspicuous
phacelia
FEDERAL CANDIDATE |
Big
Southern Butte |
| NAF |
Phacelia
ivesiana Torr.
var. glandulifera
(Piper) Nels. & Macbr. |
Sticky
phacelia |
scattered,
not common |