IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Smith, Lyman B. and Downs, Robert J.
Hechtia chichinautzensis and H. colossa, morphologically related to H. podantha and to H. tehuacana, respectively, are described and illustrated. Hechtia chichinautzensis is endemic to the Mexican ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Smith, Lyman B. and Downs, Robert J.
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