766 Fields number on the database for Helmut Rogozinski

All Ariocarpus Astrophytum Aztekium Dolichothele Echinocereus Echinofossulocactus Echinomastus Encephalocarpus Epithelantha Escobaria Geohintonia Gymnocactus Lophophora Mammillaria Neolloydia Normanbokea Obregonia Stenocactus Strombocactus Thelocactus Turbinicarpus Wilcoxia      

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Species	Field number	Locality	Picture
Mammillaria mercadensis	ROG 722	Mexicó : Durango (North of Durango)
Mammillaria perezdelarosae ssp. andersoniana	ROG 723	Mexicó : Zacatecas (Villa de Garcia)
Mammillaria zacatecasensis aff.	ROG 724	Mexicó : Zacatecas (Villa de Garcia)
Mammillaria uncinata	ROG 725	Mexicó : Zacatecas (Villa de Garcia)
Mammillaria pringlei	ROG 726	Mexicó : México (Jilotepec)
Mammillaria saboae ssp. roczekii	ROG 757	Mexicó : Durango (Canatlan)

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