1
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Species
acanthodes
Lem.
syn. Ferocactus cylindraceus var. cylindraceus
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2
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Species
asterias
Zucc.
syn. Astrophytum asterias
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3
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Species
bicolor
Galeotti ex Pfeiffer
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4
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Varietas
schottii
Engelm.
syn. Thelocactus bicolor var. bicolor
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5
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Species
conoideus
(DC.) Poselg.
syn. Neolloydia conoidea
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6
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Species
erectocentrus
Coult.
syn. Sclerocactus erectocentrus
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7
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Species
flavidispinus
(Backeberg) Weniger
syn. Thelocactus bicolor var. flavidispinus
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8
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Species
glaucus
(J.A. Purpus ex K. Schum.) L. Benson
syn. Sclerocactus glaucus
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9
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Species
hamatacanthus
Muehlenpfordt
syn. Ferocactus hamatacanthus var. hamatacanthus
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10
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Species
horizonthalonius
Lem.
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11
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Varietas
horizonthalonius
common name:
devilshead
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12
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Varietas
moelleri
Haage f.
syn. Echinocactus horizonthalonius var. horizonthaloniusHaage f.
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13
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Varietas
nicholii
L. Benson
common name:
Nichol's echinocactus
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14
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Species
intertextus
Engelm.
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15
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Varietas
dasyacanthus
Engelm.
syn. Sclerocactus intertextus var. dasyacanthus
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16
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Species
johnsonii
Parry ex Engelm.
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17
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Varietas
lutescens
Parish
syn. Sclerocactus johnsonii
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18
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Species
lecontei
Engelm.
syn. Ferocactus cylindraceus var. lecontei
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19
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Species
Link
& Otto
common name:
echinocactus
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20
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Species
mariposensis
(Hester) Weniger
syn. Sclerocactus mariposensis
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21
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Species
mesae-verdae
(Boissevain ex Boissevain & C. Davids.)
syn. Sclerocactus mesae-verdae
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22
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Species
papyracanthus
Engelm.
syn. Sclerocactus papyracanthus
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23
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Species
polyancistrus
Engelm. & Bigelow
syn. Sclerocactus polyancistrus
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24
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Species
polycephalus
Engelm. & Bigelow
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25
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Varietas
polycephalus
common name:
cottontop cactus
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26
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Varietas
xeranthemoides
Coult.
common name:
cottontop cactus
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27
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Species
scheeri
Salm-Dyck
syn. Sclerocactus scheeri
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28
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Species
setispinus
Engelm.
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29
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Varietas
hamatus
(Muehlenpfordt) Engelm.
syn. Thelocactus setispinus
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30
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Species
simpsonii
Engelm.
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31
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Varietas
robustior
Coult.
syn. Pediocactus simpsonii var. robustior
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32
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Species
sinuatus
A. Dietr.
syn. Ferocactus hamatacanthus var. sinuatus
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33
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Species
texensis
Hopffer
common name:
horse crippler
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34
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Species
tobuschii
(W.T. Marsh.) Weniger
syn. Sclerocactus brevihamatus ssp. tobuschii
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35
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Species
uncinatus
Galeotti
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36
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Varietas
wrightii
Engelm.
syn. Sclerocactus uncinatus var. wrightii
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37
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Species
viridescens
Torr. & Gray
syn. Ferocactus viridescens
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38
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Species
warnockii
(L. Benson) Weniger
syn. Sclerocactus warnockii
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39
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Species
whipplei
Engelm. & Bigelow
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40
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Varietas
intermedius
(Peebles) L. Benson
syn. Sclerocactus parviflorus ssp. intermedius
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41
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Varietas
spinosior
Engelm.
syn. Sclerocactus spinosior
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42
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Species
wislizeni
Engelm.
syn. Ferocactus wislizeni
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43
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Species
xeranthemoides
(Coult.) Engelm. ex Rydb.
syn. Echinocactus polycephalus var. xeranthemoides
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