1
|
|
Species
acanthodontum
Blake
syn. Cirsium remotifolium ssp. remotifolium
|
|
|
2
|
|
Species
acaule
All.
|
|
|
|
3
|
|
Varietas
americanum
Gray
syn. Cirsium tioganum var. tioganum
|
|
|
|
4
|
|
Species
acaulescens
(Rydb.) K. Schum.
syn. Cirsium tioganum var. tioganum
|
|
|
5
|
|
Species
acuatum
(Osterhout) Petrak
syn. Cirsium undulatum var. tracyi
|
|
|
6
|
|
Species
altissimum
(L.) Hill
|
|
|
|
7
|
|
Varietas
biltmoreanum
Petrak
syn. Cirsium altissimum
|
|
|
8
|
|
Varietas
filipendulum
(Engelm.) Gray
syn. Cirsium engelmannii
|
|
|
|
9
|
|
Species
amblylepis
Petrak
common name:
Mt. Tamalpais thistle
|
|
|
10
|
|
Species
americanum
(Gray) K. Schum.
syn. Cirsium tioganum var. tioganum
|
|
|
11
|
|
Species
andersonii
(Gray) Petrak
common name:
rose thistle
|
|
|
12
|
|
Species
andrewsii
(Gray) Jepson
common name:
Franciscan thistle
|
|
|
13
|
|
Species
araneans
Rydb.
common name:
jeweled thistle
|
|
|
14
|
|
Species
arcuum
A. Nels.
common name:
powderpuff thistle
|
|
|
15
|
|
Species
aridum
Dorn
common name:
desert thistle
|
|
|
16
|
|
Species
arizonicum
(Gray) Petrak
common name:
Arizona thistle
|
|
|
|
17
|
|
Varietas
arizonicum
common name:
Arizona thistle
|
|
|
18
|
|
Varietas
nidulum
(M.E. Jones) Welsh
common name:
Arizona thistle
|
|
|
|
19
|
|
Species
arvense
(L.) Scop.
|
|
|
|
20
|
|
Varietas
argenteum
(Vest) Fiori
syn. Cirsium arvense
|
|
|
21
|
|
Varietas
horridum
Wimmer & Grab.
syn. Cirsium arvense
|
|
|
22
|
|
Varietas
integrifolium
Wimmer & Grab.
syn. Cirsium arvense
|
|
|
23
|
|
Varietas
mite
Wimmer & Grab.
syn. Cirsium arvense
|
|
|
24
|
|
Varietas
vestitum
Wimmer & Grab.
syn. Cirsium arvense
|
|
|
|
25
|
|
Species
barnebyi
Welsh & Neese
common name:
Barneby's thistle
|
|
|
26
|
|
Species
bigelovii
DC.
syn. Cirsium muticum
|
|
|
27
|
|
Species
bipinnatum
(Eastw.) Rydb.
syn. Cirsium calcareum
|
|
|
28
|
|
Species
blumeri
Petrak
syn. Cirsium wheeleri
|
|
|
29
|
|
Species
botrys
Petrak
syn. Cirsium ciliolatum
|
|
|
30
|
|
Species
brevifolium
Nutt.
common name:
Palouse thistle
|
|
|
31
|
|
Species
brevistylum
Cronq.
common name:
clustered thistle
|
|
|
32
|
|
Species
breweri
(Gray) Jepson
|
|
|
|
33
|
|
Varietas
lanosissimum
Petrak p.p.
syn. Cirsium douglasii var. breweri
|
|
|
34
|
|
Varietas
wrangelii
Petrak
syn. Cirsium douglasii var. douglasii
|
|
|
|
35
|
|
Species
butleri
(Rydb.) Petrak
syn. Cirsium scariosum var. scariosum
|
|
|
36
|
|
Species
calcareum
(M.E. Jones) Woot. & Standl.
|
|
|
|
37
|
|
Varietas
bipinnatum
(Eastw.) Welsh
syn. Cirsium calcareum
|
|
|
38
|
|
Varietas
pulchellum
(Greene) Welsh
syn. Cirsium calcareum
|
|
|
|
39
|
|
Species
californicum
Gray
|
|
|
|
40
|
|
Varietas
bernardinum
(Greene) Petrak
syn. Cirsium occidentale var. californicum
|
|
|
41
|
|
Subspecies
pseudoreglense
Petrak
syn. Cirsium occidentale var. californicum
|
|
|
|
42
|
|
Species
callilepis
(Greene) Jepson
|
|
|
|
43
|
|
Varietas
oregonense
(Petrak) J.T. Howell
syn. Cirsium remotifolium ssp. oregonense
|
|
|
44
|
|
Varietas
pseudocarlinoides
(Petrak) J.T. Howell
syn. Cirsium remotifolium ssp. pseudocarlinoides
|
|
|
|
45
|
|
Species
campylon
H.K. Sharsmith
syn. Cirsium fontinale var. campylon
|
|
|
46
|
|
Species
candidissimum
(Greene) A. Davids. & Moxley
syn. Cirsium pastoris
|
|
|
47
|
|
Species
canescens
Nutt.
common name:
prairie thistle
|
|
|
48
|
|
Species
canovirens
(Rydb.) Petrak
common name:
graygreen thistle
|
|
|
49
|
|
Species
canum
(L.) All.
common name:
Queen Anne's thistle
|
|
|
50
|
|
Species
carolinianum
(Walt.) Fern. & Schub.
common name:
soft thistle
|
|
|
51
|
|
Species
centaureae
(Rydb.) K. Schum.
syn. Cirsium remotifolium ssp. oregonense
|
|
|
52
|
|
Species
chellyense
Moore & Frankton
common name:
queen thistle
|
|
|
53
|
|
Species
chuskaense
Moore & Frankton
common name:
monarch thistle
|
|
|
54
|
|
Species
ciliolatum
(Henderson) J.T. Howell
common name:
Ashland thistle
|
|
|
55
|
|
Species
clavatum
(M.E. Jones) Petrak
common name:
Fish Lake thistle
|
|
|
56
|
|
Species
clokeyi
Blake
common name:
whitespine thistle
|
|
|
57
|
|
Species
coccinatum
Osterhout
syn. Cirsium drummondii
|
|
|
58
|
|
Species
coloradense
(Rydb.) Cockerell
|
|
|
|
59
|
|
Subspecies
acaulescens
(Rydb.) Petrak
syn. Cirsium tioganum var. tioganum
|
|
|
60
|
|
Subspecies
longissimum
(Heller) Petrak
syn. Cirsium tioganum var. tioganum
|
|
|
|
61
|
|
Species
congdonii
Moore & Frankton
common name:
rosette thistle
|
|
|
62
|
|
Species
coulteri
Harvey & Gray
syn. Cirsium occidentale var. occidentale
|
|
|
63
|
|
Species
crassicaule
(Greene) Jepson
common name:
slough thistle
|
|
|
64
|
|
Species
cymosum
(Greene) J.T. Howell
common name:
peregrine thistle
|
|
|
65
|
|
Species
davisii
Cronq.
syn. Cirsium subniveum
|
|
|
66
|
|
Species
diffusum
(Eastw.) Rydb.
syn. Cirsium rothrockii
|
|
|
67
|
|
Species
discolor
(Muhl. ex Willd.) Spreng.
common name:
field thistle
|
|
|
68
|
|
Species
douglasii
DC.
|
|
|
|
69
|
|
Varietas
breweri
(Petrak) Keil & C. Turner
common name:
Douglas' thistle
|
|
|
70
|
|
Varietas
canescens
(Petrak) J.T. Howell
syn. Cirsium douglasii var. breweri
|
|
|
71
|
|
Varietas
douglasii
common name:
Douglas' thistle
|
|
|
|
72
|
|
Species
drummondii
Torr. & Gray
|
|
|
|
73
|
|
Varietas
acaulescens
(Rydb.) J.F. Macbr.
syn. Cirsium tioganum var. tioganum
|
|
|
74
|
|
Subspecies
lanatum
Petrak
syn. Cirsium tioganum var. tioganum
|
|
|
75
|
|
Subspecies
latisquamum
Petrak
syn. Cirsium tioganum var. tioganum
|
|
|
76
|
|
Varietas
oregonense
Petrak
syn. Cirsium tioganum var. tioganum
|
|
|
77
|
|
Subspecies
vexans
Petrak
syn. Cirsium tioganum var. tioganum
|
|
|
|
78
|
|
Species
eatonii
(Gray) B.L. Robins.
|
|
|
|
79
|
|
Varietas
harrisonii
Welsh
syn. Cirsium eatonii
|
|
|
80
|
|
Varietas
murdockii
Welsh
syn. Cirsium murdockii
|
|
|
|
81
|
|
Species
edule
Nutt.
common name:
edible thistle
|
|
|
82
|
|
Species
engelmannii
Rydb.
common name:
Engelmann's thistle
|
|
|
83
|
|
Species
eriocephalum
Gray
|
|
|
|
84
|
|
Varietas
leiocephalum
D.C. Eat.
syn. Cirsium eatonii
|
|
|
|
85
|
|
Species
filipendulum
Engelm.
syn. Cirsium engelmannii
|
|
|
86
|
|
Species
flaccidum
Small
syn. Cirsium carolinianum
|
|
|
87
|
|
Species
floccosum
(Rydb.) Petrak
syn. Cirsium undulatum var. tracyi
|
|
|
88
|
|
Species
flodmanii
(Rydb.) Arthur
common name:
Flodman's thistle
|
|
|
89
|
|
Species
foliosum
(Hook.) DC.
|
|
|
|
90
|
|
Varietas
minganense
(Victorin) Boivin
syn. Cirsium foliosum
|
|
|
|
91
|
|
Species
fontinale
(Greene) Jepson
|
|
|
|
92
|
|
Varietas
campylon
(H.K. Sharsmith) Pilz ex Keil & C. Turne
common name:
Mt Hamilton thistle
|
|
|
93
|
|
Varietas
fontinale
common name:
fountain thistle
|
|
|
94
|
|
Varietas
obispoense
J.T. Howell
common name:
Chorro Creek Bog thistle
|
|
|
|
95
|
|
Species
gilense
Woot. & Standl.
common name:
Gila thistle
|
|
|
96
|
|
Species
grahamii
Gray
common name:
Graham's thistle
|
|
|
97
|
|
Species
griseum
(Rydb.) K. Schum.
common name:
gray thistle
|
|
|
98
|
|
Species
hallii
(Gray) M.E. Jones
common name:
Hall's thistle
|
|
|
99
|
|
Species
helleri
(Small) Cory
syn. Cirsium undulatum var. undulatum
|
|
|
100
|
|
Species
hesperium
(Eastw.) Petrak
syn. Cirsium scopulorum
|
|
|
101
|
|
Species
hillii
(Canby) Fern.
common name:
Hill's thistle
|
|
|
102
|
|
Species
hookerianum
Nutt.
|
|
|
|
103
|
|
Varietas
eriocephalum
(Gray) A. Nels.
syn. Cirsium eatonii
|
|
|
|
104
|
|
Species
horridulum
Michx.
|
|
|
|
105
|
|
Varietas
elliottii
Torr. & Gray
syn. Cirsium horridulum var. horridulum
|
|
|
106
|
|
Varietas
horridulum
common name:
yellow thistle
|
|
|
107
|
|
Varietas
vittatum
(Small) R.W. Long
common name:
yellow thistle
|
|
|
|
108
|
|
Species
howellii
Petrak
syn. Cirsium ciliolatum
|
|
|
109
|
|
Species
humboldtense
Rydb.
common name:
Humboldt County thistle
|
|
|
110
|
|
Species
hydrophilum
(Greene) Jepson
|
|
|
|
111
|
|
Varietas
hydrophilum
common name:
Suisun thistle
|
|
|
112
|
|
Varietas
vaseyi
(Gray) J.T. Howell
common name:
Vasey's thistle
|
|
|
|
113
|
|
Species
incanum
(Gmel.) Fisch.
syn. Cirsium arvense
|
|
|
114
|
|
Species
inornatum
Woot. & Standl.
common name:
cloudcroft thistle
|
|
|
115
|
|
Species
kamtschaticum
Ledeb. ex DC.
common name:
Kamchatka thistle
|
|
|
116
|
|
Species
kelseyi
(Rydb.) Petrak
syn. Cirsium scariosum var. scariosum
|
|
|
117
|
|
Species
lacerum
(Rydb.) Petrak
syn. Cirsium scariosum var. scariosum
|
|
|
118
|
|
Species
lactucinum
Rydb.
syn. Cirsium rydbergii
|
|
|
119
|
|
Species
lanceolatum
(L.) Scop.
|
|
|
|
120
|
|
Varietas
hypoleucum
DC.
syn. Cirsium vulgare
|
|
|
|
121
|
|
Species
laterifolium
(Osterhout) Petrak
common name:
porcupine thistle
|
|
|
122
|
|
Species
lecontei
Torr. & Gray
common name:
Le Conte's thistle
|
|
|
123
|
|
Species
loncholepis
Petrak
common name:
la graciosa thistle
|
|
|
124
|
|
Species
longistylum
Moore & Frankton
common name:
longstyle thistle
|
|
|
125
|
|
Species
macounii
(Greene) Rydb.
syn. Cirsium edule
|
|
|
126
|
|
Species
magnificum
(A. Nels.) Petrak
syn. Cirsium scariosum var. scariosum
|
|
|
127
|
|
Species
maritimum
(Elmer) Petrak
syn. Cirsium rhothophilum
|
|
|
128
|
|
Species
megacephalum
(Gray) Cockerell
syn. Cirsium undulatum var. undulatum
|
|
|
129
|
|
Species
mendocinum
Petrak
common name:
Mendocino thistle
|
|
|
130
|
|
Species
mexicanum
DC.
common name:
Mexican thistle
|
|
|
131
|
|
Species
minganense
Victorin
syn. Cirsium scariosum var. scariosum
|
|
|
132
|
|
Species
modestum
(Osterhout) Cockerell
common name:
lacy thistle
|
|
|
133
|
|
Species
mohavense
(Greene) Petrak
common name:
Mojave thistle
|
|
|
134
|
|
Species
montigenum
Petrak
syn. Cirsium hydrophilum var. vaseyi
|
|
|
135
|
|
Species
murdockii
(Welsh) Cronq.
common name:
Murdock's thistle
|
|
|
136
|
|
Species
muticum
Michx.
|
|
|
|
137
|
|
Varietas
monticola
Fern.
syn. Cirsium muticum
|
|
|
138
|
|
Varietas
subpinnatifidum
(Britt.) Fern.
syn. Cirsium muticum
|
|
|
|
139
|
|
Species
navajoense
Moore & Frankton
common name:
Navajo thistle
|
|
|
140
|
|
Species
nebraskense
(Britt.) Lunell
|
|
|
|
141
|
|
Varietas
discissum
Lunell
syn. Cirsium flodmanii
|
|
|
|
142
|
|
Species
nelsonii
(Pammel) Petrak
syn. Cirsium canescens
|
|
|
143
|
|
|
144
|
|
Varietas
neomexicanum
common name:
New Mexico thistle
|
|
|
145
|
|
Varietas
utahense
(Petrak) Welsh
common name:
Utah thistle
|
|
|
|
146
|
|
Species
nidulum
(M.E. Jones) Petrak
syn. Cirsium arizonicum var. nidulum
|
|
|
147
|
|
Species
nuttallii
DC.
common name:
Nuttall's thistle
|
|
|
148
|
|
Species
oblanceolatum
(Rydb.) K. Schum.
syn. Cirsium flodmanii
|
|
|
149
|
|
Species
occidentale
(Nutt.) Jepson
common name:
cobweb thistle
|
|
|
|
150
|
|
Varietas
californicum
(Gray) Keil & C. Turner
common name:
cobwebby thistle
|
|
|
151
|
|
Varietas
candidissimum
(Greene) J.F. Macbr.
syn. Cirsium pastoris
|
|
|
152
|
|
Varietas
compactum
Hoover
common name:
compact cobwebby thistle
|
|
|
153
|
|
Varietas
occidentale
common name:
cobwebby thistle
|
|
|
154
|
|
Varietas
venustum
(Greene) Jepson
common name:
cobwebby thistle
|
|
|
|
155
|
|
Species
ochrocentrum
Gray
|
|
|
|
156
|
|
Varietas
helleri
(Small) Petrak
syn. Cirsium undulatum var. undulatum
|
|
|
|
157
|
|
Species
odoratum
(Muhl. ex W. Bart.) Petrak
syn. Cirsium pumilum
|
|
|
158
|
|
Species
olivescens
(Rydb.) Petrak
common name:
summer thistle
|
|
|
159
|
|
Species
oreganum
Piper
syn. Cirsium remotifolium ssp. remotifolium
|
|
|
160
|
|
Species
oreophilum
(Rydb.) K. Schum.
common name:
crow thistle
|
|
|
161
|
|
Species
osterhoutii
(Rydb.) Petrak
common name:
Osterhout's thistle
|
|
|
162
|
|
Species
ownbeyi
Welsh
common name:
Ownbey's thistle
|
|
|
163
|
|
Species
pallidum
Woot. & Standl.
common name:
pale thistle
|
|
|
164
|
|
Species
palousense
Piper
syn. Cirsium brevifolium
|
|
|
165
|
|
Species
palustre
(L.) Scop.
common name:
marsh thistle
|
|
|
166
|
|
Species
parryi
(Gray) Petrak
|
|
|
|
167
|
|
Subspecies
mogollonicum
C. Schaack & G. Goodwin
common name:
Mogollon thistle
|
|
|
168
|
|
Subspecies
parryi
common name:
Parry's thistle
|
|
|
|
169
|
|
Species
pastoris
J.T. Howell
common name:
snowy thistle
|
|
|
170
|
|
Species
peckii
Henderson
common name:
Steen Mountain thistle
|
|
|
171
|
|
Species
perennans
(Greene) Woot. & Standl.
syn. Cirsium wheeleri
|
|
|
172
|
|
Species
perplexans
(Rydb.) Petrak
common name:
Rocky Mountain thistle
|
|
|
173
|
|
Species
pitcheri
(Torr. ex Eat.) Torr. & Gray
common name:
sand dune thistle
|
|
|
174
|
|
Species
plattense
(Rydb.) Cockerell ex Daniels
syn. Cirsium canescens
|
|
|
175
|
|
Species
polyphyllum
(Rydb.) Petrak
syn. Cirsium eatonii
|
|
|
176
|
|
Species
praeteriens
J.F. Macbr.
common name:
Palo Alto thistle
|
|
|
177
|
|
Species
proteanum
J.T. Howell
syn. Cirsium occidentale var. venustum
|
|
|
178
|
|
Species
pugnax
Sommier & Levier
syn. Cnicus benedictus
|
|
|
179
|
|
Species
pulchellum
(Greene) Woot. & Standl.
|
|
|
|
180
|
|
Subspecies
bipinnatum
(Eastw.) Petrak
syn. Cirsium calcareum
|
|
|
181
|
|
Subspecies
diffusum
(Eastw.) Petrak
syn. Cirsium rothrockii
|
|
|
182
|
|
Varietas
glabrescens
Petrak
syn. Cirsium calcareum
|
|
|
|
183
|
|
Species
pulcherrimum
(Rydb.) K. Schum.
common name:
Wyoming thistle
|
|
|
184
|
|
Species
pumilum
(Nutt.) Spreng.
|
|
|
|
185
|
|
Subspecies
hillii
(Canby) Moore & Frankton
syn. Cirsium hillii
|
|
|
186
|
|
Varietas
hillii
(Canby) Boivin
syn. Cirsium hillii
|
|
|
|
187
|
|
Species
pyrenaicum
(Jacq.) All.
|
|
|
188
|
|
Species
quercetorum
(Gray) Jepson
|
|
|
|
189
|
|
Varietas
citrinum
Petrak
syn. Cirsium tioganum var. tioganum
|
|
|
190
|
|
Varietas
mendocinum
Petrak
syn. Cirsium quercetorum var. quercetorum
|
|
|
191
|
|
Varietas
quercetorum
common name:
Alameda County thistle
|
|
|
192
|
|
Varietas
walkerianum
(Petrak) Jepson
common name:
Walker's thistle
|
|
|
193
|
|
Varietas
xerolepis
Petrak
common name:
Alameda County thistle
|
|
|
|
194
|
|
Species
remotifolium
(Hook.) DC.
|
|
|
|
195
|
|
Varietas
odontolepis
Petrak
syn. Cirsium remotifolium ssp. remotifolium
|
|
|
196
|
|
Subspecies
oregonense
Petrak
common name:
fewleaf thistle
|
|
|
197
|
|
Subspecies
pseudocarlinoides
Petrak
common name:
fewleaf thistle
|
|
|
198
|
|
Subspecies
remotifolium
common name:
fewleaf thistle
|
|
|
199
|
|
Varietas
rivulare
Jepson
syn. Cirsium remotifolium ssp. remotifolium
|
|
|
|
200
|
|
Species
repandum
Michx.
common name:
sandhill thistle
|
|
|
201
|
|
Species
revolutum
(Small) Petrak
syn. Cirsium virginianum
|
|
|
202
|
|
Species
rhothophilum
Blake
common name:
surf thistle
|
|
|
203
|
|
Species
rothrockii
(Gray) Petrak
common name:
Rothrock's thistle
|
|
|
204
|
|
Species
rusbyi
(Greene) Petrak
common name:
Rusby's thistle
|
|
|
205
|
|
Species
rydbergii
Petrak
common name:
Rydberg's thistle
|
|
|
206
|
|
Species
scabrum
(Poir.) Bonnet & Barratte
common name:
rough thistle
|
|
|
207
|
|
Species
scapanolepis
Petrak
common name:
mountain slope thistle
|
|
|
208
|
|
Species
scariosum
Nutt.
|
|
|
|
209
|
|
Varietas
scariosum
common name:
meadow thistle
|
|
|
210
|
|
Varietas
thorneae
Welsh
common name:
meadow thistle
|
|
|
|
211
|
|
Species
scopulorum
(Greene) Cockerell ex Daniels
common name:
mountain thistle
|
|
|
212
|
|
Species
setosum
(Willd.) Bess. ex Bieb.
syn. Cirsium arvense
|
|
|
213
|
|
Species
smallii
Britt.
syn. Cirsium horridulum var. horridulum
|
|
|
214
|
|
Species
spathulifolium
Rydb.
syn. Cirsium scapanolepis
|
|
|
215
|
|
Species
spinosissimum
auct. non (L.) Scop.
syn. Cirsium horridulum var. horridulum
|
|
|
216
|
|
Species
stenolepidum
Nutt.
syn. Cirsium remotifolium ssp. remotifolium
|
|
|
217
|
|
Species
subniveum
Rydb.
common name:
Jackson Hole thistle
|
|
|
218
|
|
Species
terraenigrae
Shinners
syn. Cirsium engelmannii
|
|
|
219
|
|
Species
texanum
Buckl.
|
|
|
|
220
|
|
Varietas
stenolepis
Shinners
syn. Cirsium texanum
|
|
|
|
221
|
|
Species
tioganum
(Congd.) Petrak
|
|
|
|
222
|
|
Varietas
coloradense
(Rydb.) Dorn
common name:
Colorado thistle
|
|
|
223
|
|
Varietas
tioganum
common name:
Tioga thistle
|
|
|
|
224
|
|
Species
tracyi
(Rydb.) Petrak
syn. Cirsium undulatum var. tracyi
|
|
|
225
|
|
Species
triacanthum
Petrak
syn. Cirsium cymosum
|
|
|
226
|
|
Species
turneri
Warnock
common name:
cliff thistle
|
|
|
227
|
|
Species
tweedyi
(Rydb.) Petrak
syn. Cirsium eatonii
|
|
|
228
|
|
Species
undulatum
(Nutt.) Spreng.
|
|
|
|
229
|
|
Varietas
megacephalum
(Gray) Fern.
syn. Cirsium undulatum var. undulatum
|
|
|
230
|
|
Varietas
tracyi
(Rydb.) Welsh
common name:
Tracy's thistle
|
|
|
231
|
|
Varietas
undulatum
common name:
wavyleaf thistle
|
|
|
|
232
|
|
Species
utahense
Petrak
syn. Cirsium neomexicanum var. utahense
|
|
|
233
|
|
Species
vaseyi
(Gray) Jepson
|
|
|
|
234
|
|
Varietas
hydrophilum
(Greene) Petrak
syn. Cirsium hydrophilum var. hydrophilum
|
|
|
|
235
|
|
Species
vernale
(Osterhout) Cockerell
common name:
spring thistle
|
|
|
236
|
|
Species
vinaceum
Woot. & Standl.
common name:
Sacramento Mountain thistle
|
|
|
237
|
|
Species
virginense
Welsh
common name:
virgin thistle
|
|
|
238
|
|
Species
virginianum
(L.) Michx.
common name:
Virginia thistle
|
|
|
239
|
|
Species
vittatum
Small
syn. Cirsium horridulum var. vittatum
|
|
|
240
|
|
Species
vulgare
(Savi) Ten.
common name:
bull thistle
|
|
|
241
|
|
Species
walkerianum
Petrak
syn. Cirsium quercetorum var. walkerianum
|
|
|
242
|
|
Species
wallowense
M.E. Peck
syn. Cirsium neomexicanum var. utahense
|
|
|
243
|
|
Species
wheeleri
(Gray) Petrak
common name:
Wheeler's thistle
|
|
|
244
|
|
Species
wrightii
Gray
common name:
Wright's thistle
|
|
|
245
|
|
Species
x erosum
(Rydb.) K. Schum. (pro sp.)
common name:
glory thistle
|
|
|
246
|
|
Species
x iowense
(Pammel) Fern. (pro sp.)
|
|
|