Ferocactus glaucescens (DC.) Britton & Rose [ Echinocactus pfeifferi Zucc. ex Pfeiff.]
Zuccarini, J.G., Plantarum novarum vel minus cognitarum (1832-1847)
Abh. Math. Phys. Cl. K. Baier. Akad. Wiss.

(1832)
t. 5
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recognized name:
432069 Ferocactus glaucescens (DC.) Britton & Rose
recognized name (basionym):
369099 Echinocactus glaucescens DC.
cited name:
369434 Echinocactus pfeifferi Zucc. ex Pfeiff.
family: Cactaceae
subfamily: Cactoideae
tribe: Cacteae
epithet cited: pfeifferi

epithet recognized: glaucescens

Illustration contributed by:
Missouri Botanical Garden, St. Louis, U.S.A.
link to this page:
http://www.plantillustrations.org/illustration.php?id_illustration=44005
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homotypic synonyms:
Echinocactus glaucescens DC.;
heterotypic synonyms:
Echinocactus dietrichianus C.F.Först.; Echinocactus mammillarioides Hook.; Echinocactus pfeifferi Zucc. ex Pfeiff.; Echinocactus theiacanthus Lemaire; Echinocactus theionacanthus Lemaire; Echinofossulocactus pfeifferi (Zucc.) Lawr.; Ferocactus pfeifferi (Zucc.) Backeb.; Malacocarpus mammillarioides (Hook.) Britton & Rose;
no full size  illustration available (3a)