Haseltonia 18

    • New succulent window-leaved Peperomias from Peru by Guillermo Pino, Nelson Cieza, Stefan Wanke, Marie-Stéphanie Samain
    • Two new species of Cleretum (Ruschioideae-Dorotheantheae, Aizoaceae) from the Northern Cape, South Africa by Cornelia Klak
    • Taxonomy of the genus Gibbaeum (Aizoaceae) and clarification of the confusion around Gibbaeum haagei, with a new species Gibbaeum hartmannianum by Joachim Thiede & Ingeborg M. Niesler
    • Sedum brachetii (Crassulaceae), a new species from Guerrero, Mexico by Jerónimo Reyes Santiago, María De Los Ángeles Islas Luna & Omar González Zorzano
    • Sedum kristenii (Crassulaceae), a new species from Durango, Mexico by Jerónimo Reyes Santiago, Omar González Zorzano & Julia Etter
    • Echeveria juliana (Crassulaceae), a new species from Sinaloa, Mexico by Jerónimo Reyes Santiago, Omar González Zorzano & Martin Kristen
    • Cactus, succulent, and pachycaul flora of Mona Island by M. Patrick Griffith, Jose Sustache Sustache, Javier Francisco-Ortega & Eugenio Santiago-Valentín
    • Miscellaneous chromosome numbers in Opuntieae DC. (Cactaceae) with a compilation of counts for the group by Lucas C. Majure, Raul Puente & Donald J. Pinkava
    • Opuntia ventanensis (Cactaceae), a new species from the province of Buenos Aires, Argentina by Andrea Long
    • Seeds of endangered Harrisia fragrans form persistent soil seed banks and withstand orthodox storage conditions by Joie Goodman, Donald Walters, Keith Bradley, Joyce Maschinski and Ana Salazar
    • Synopsis of Harrisia including a newly described species, several typifications, new synonyms, and a key to species by Alan R. Franck
    • Gymnocalycium esperanzae: a nothospecies? by Radomír Řepka & Jaroslav Mráček
    • A new taxonomic treatment of the genus Trichocereus (Cactaceae) in Chile by Sofía Albesiano
    • Additions to the Crassulaceae of the state of Veracruz, Mexico by H. David Jimeno-Sevilla, Pablo Carrillo-Reyes, Emmanuel Pérez-Calix & Miguel J. Cházaro-Basáñez

                             

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