Cactaceae 3: 147 (1922)

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plantillustrations.org 71683
Echinomastus intertextus (Engelm.) Britton & Rose var. dasyacanthus [as Echinocactus intertextus Engelm. var. dasyacanthus]
G. Engelmann, Plates to the Cactaceae of the Mexican boundary, t. 35 (1857-1859) [P. Roetter]
plantillustrations.org 71682
Echinomastus intertextus (Engelm.) Britton & Rose [as Echinocactus intertextus Engelm.]
G. Engelmann, Plates to the Cactaceae of the Mexican boundary, t. 34 (1857-1859) [P. Roetter]
plantillustrations.org 118148
Echinomastus intertextus (Engelm.) Britton & Rose [as Echinocactus intertextus Engelm.]
T. Rumpler, Carl Friedrich Forster’s Handbuch der Cacteenkunde, vol. 2: t. 72 (1886)
plantillustrations.org 71734
Echinomastus unguispinus (Engelm.) Britton & Rose [as Echinocactus unguispinus Engelm.]
G. Engelmann, Plates to the Cactaceae of the Mexican boundary, t. 35 (1857-1859) [P. Roetter]
plantillustrations.org 383599
Echinomastus unguispinus (Engelm.) Britton & Rose [as Echinocactus unguispinus Engelm.]
Monatsschrift für Kakteenkunde, vol. 5: p. 185 ()

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