Splitting Echinocactus: morphological and molecular evidence support the recognition of Homalocephala as a distinct genus in the Cacteae

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Isaura Rosas-Reinhold , Daniel Sánchez, Salvador Arias (2022)
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Matias Köhler, Marcelo Reginato, Tatiana Teixeira Souza-Chies, Lucas C. Majure (2020)
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Marc A. Baker (2022)
A Multivariate Study of Morphological Characters for Echinocactus horizonthalonius and E. texensis (Cactaceae) and Description of a New Subspecies, E. horizonthalonius subsp. australis. Diversity 14: 1020.

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Rolando T. Bárcenas, Héctor M. Hernández (2022)
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Alejandro De la Rosa-Tilapa, Monserrat Vázquez-Sánchez, Teresa Terrazas (2022)
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Yadira Ramírez-Rodríguez, Miriam Martínez-Huélamo, José Pedraza-Chaverri, Victoria Ramírez, Natalia Martínez-Tagüeña, Joyce Trujillo (2020)
Ethnobotanical, nutritional and medicinal properties of Mexican drylands Cactaceae Fruits: Recent findings and research opportunities. Food Chemistry 312: 126073.

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Tephrocactus bonnieae a Case Study of the Name Game. Cactus and Succulent Journal 92: 178.

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Nadja Korotkova, David Aquino, Salvador Arias, Urs Eggli, Alan Franck, Carlos Gómez-Hinostrosa, Pablo C. Guerrero, Héctor M. Hernández, Andreas Kohlbecker, Matias Köhler, Katja Luther, Lucas C. Majure, Andreas Müller, Detlev Metzing, Reto Nyffeler, Daniel Sánchez, Boris Schlumpberger, Walter G. Berendsohn (2021)
Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family. Willdenowia 51: .

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