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Haseltonia 25

Haseltonia 25

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    W. C. Wercklé exsiccata collection (Cactaceae) in Herbarium Mortolensis (HMGBH): study and revision
    Alessandro Guiggi and Mauro Mariotti .

    Chromosome numbers in some cacti of Western North America—IX
    Marc A. Baker and Donald J. Pinkava

    New taxa in Euphorbia (Euphorbiaceae) in southern Africa
    P.V. Bruyns

    The identity and typification of Astroloba pentagona (Haw.) Uitewaal (Asphodelaceae: Alooideae), the type species of the genus Astroloba Uitewaal
    Steven Molteno and Gideon F. Smith

    A synopsis of Astroloba Uitewaal (Asphodelaceae: Alooideae): species, types, and infrageneric classification
    Steven Molteno, Gideon F. Smith and Estrela Figuiredo

    Kalanchoe crouchii Gideon F.Sm. & Figueiredo (Crassulaceae), a new species from the dolomites of the Wolkberg Centre of Endemism, Mpumalanga Province, South Africa
    Gideon F. Smith and Estrela Figueiredo

    Manganese tolerance of Aloe greatheadii Schönland var. davyana (Schönland) Glen & D.S.Hardy (Asphodelaceae: Alooideae) on ultramafic-peralkaline outcrops, South Africa
    Stefan J. Siebert, Janine Steytler, Ricart B. Boneschans, Frances Siebert and Marthie S. Coetzee

    Notes on the Delosperma-clade (Aizoaceae)
    Sigrid Liede-Schumann and Leonard E. Newton

    New cactus records from Gran Canaria with a key to the opuntioid species now established in the Canary Islands (Spain)
    Filip Verloove, Águedo Marrero Rodríguez, Marcos Salas-Pascual and Alessandro Guiggi

    Aloe sergoitensis, a new species of Aloe (Asphodelaceae) in Kenya, with forked marginal teeth on the leaves
    Leonard E. Newton

    The nomenclature of Aloe ferox Mill. (Asphodelaceae: Alooideae), an iconic medium-sized to large aloe from southern South Africa
    Gideon F. Smith and Estrela Figueiredo

    Florivory effects on pollinator preference and the reproductive output of a threatened living rock cactus, Ariocarpus retusus (Cactaceae)
    Diana Cárdenas-Ramos and Maria C. Mandujano
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