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Discocactus Pfeiff. [Cactaceae-Cactoideae-Hylocereeae]
10 Bahia, Mato Grosso, Bolivia lowland, Paraguay, Goias, Minas Gerais
family
Cactaceae
3 subfamilies
1750 species

Cactoideae
Opuntioideae
Pereskioideae
subfamily
Cactoideae
9 tribes
1359 species

Browningieae
Cacteae
Cereeae
Echinocereeae
Hylocereeae
Notocacteae
Pachycereeae
Rhipsalideae
Trichocereeae
tribe
Hylocereeae
7 genera
91 species

Discocactus10 Bahia, Mato Grosso, Bolivia lowland, Paraguay, Goias, Minas Gerais[9]
Disocactus10 trop. Mexico, C Am., Colombia, Venezuela, Peru, Ecuador, Amazonas, Roraima, Acre[82]
Epiphyllum10 trop. Mex., C Am., Colombia, Venez., Ecuador, Peru, Guyana, Surinam, French Guyana, Trinidad, Cuba, Brazil, Bolivia, Paraguay[79]
Hylocereus18 WI, C Am., Venez., Guyana, Surinam, French Guyana, Colombia, trop. Mex., Peru, Ecuador[47]
Pseudorhipsalis6 Mex., C Am., WI, trop. S Am.[8]
Selenicereus28 Texas, Mex, C Am., WI, Uruguay, trop. S Am., subtrop. Brazil[44]
Weberocereus9 trop. Mex., C Am., esp. Costa Rica, Colombia, Ecuador,[8]
     no thumbnail available (12)plantillustrations.org 51131
    Discocactus bahiensis Britton & Rose
    N.L. Britton, J.N. Rose, The Cactaceae, vol. 3: t. 24 (1922) [M.E. Eaton]
     no thumbnail available (12)plantillustrations.org 183696
    Discocactus heptacanthus (Barb. Rodr.) Britton & Rose [as Echinocactus hartmannii Schumann]
    K.M. Schumann, M Gürke, F. Vaupel, Blühende Kakteen. Iconographia Cactacearum, vol. 2: t. 69 (1905-1910) [Toni Gürke]
     no thumbnail available (12)plantillustrations.org 194103
    Discocactus heptacanthus (Barb. Rodr.) Britton & Rose [as Malacocarpus heptacanthus Barb. Rodr.]
    J. Barbosa Rodrigues, Plantae mattogrossenses, t. 11 (1898)
     no thumbnail available (12)plantillustrations.org 107857
    Discocactus placentiformis (Lehm.) Schumann [as Discocactus insignis Pfeiff.]
    L. Pfeiffer, F. Otto, Abbildung und Beschreibung blühender Cacteen (half-coloured edition), vol. 2: t. 1 (1846-1850)
     no thumbnail available (12)plantillustrations.org 392083
    Discocactus placentiformis (Lehm.) Schumann [as Discocactus insignis Pfeiff.]
    Verhandlungen der Kaiserlichen Leopoldinisch-Carolinischen Akademie der Naturforscher; Nova acta physico-medica academiae caesareae leopoldino-carolinae naturae curiosorum, vol. 19(1): t. 15 (1839) [L. Pfeiffer]
     no thumbnail available (12)plantillustrations.org 205513
    Discocactus placentiformis (Lehm.) Schumann [as Discocactus insignis Pfeiff.]
    L. Pfeiffer, F. Otto, Abbildung und Beschreibung blühender Cacteen (fully coloured edition), vol. 2: p. 1, t. 1 (1839)
     no thumbnail available (12)plantillustrations.org 118267
    Discocactus placentiformis (Lehm.) Schumann [as Discocactus insignis Pfeiff.]
    T. Rumpler, Carl Friedrich Forster’s Handbuch der Cacteenkunde, vol. 1: p. 449, t. 51 (1886)
     no thumbnail available (12)plantillustrations.org 107884
    Discocactus placentiformis (Lehm.) Schumann [as Discocactus tricornis Monv. ex Pfeiff. & Otto]
    L. Pfeiffer, F. Otto, Abbildung und Beschreibung blühender Cacteen (half-coloured edition), vol. 2: t. 28 (1846-1850)
     no thumbnail available (12)plantillustrations.org 205540
    Discocactus placentiformis (Lehm.) Schumann [as Discocactus tricornis Monv. ex Pfeiff. & Otto]
    L. Pfeiffer, F. Otto, Abbildung und Beschreibung blühender Cacteen (fully coloured edition), vol. 2: p. 28, t. 28 (1839)