Lugar de publicación
Cactaceae 2: 82 (1920)
Referencias
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Britton & Rose (1920)
Britton, N.L. y Rose , J.N. 1920. The Cactaceae; descriptions and illustrations of plants of the cactus family 2:1-239
Eulychnia spinibarbis
Cactaceae 2: 82 (1920)
Britton, N.L. y Rose , J.N. 1920. The Cactaceae; descriptions and illustrations of plants of the cactus family 2:1-239