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    • Proposal to reject the name Cactus tuna (Opuntia tuna) (Cactaceae)
    • A Sessão de Nomenclatura de Madri e as principais modificações para a nova versão do Código Internacional de Nomenclatura para Algas, Fungos e Plantas - Código de Madri
    • Pilosocereus cristalinensis should not be regarded as conspecific with P. machrisii (Cereeae, Cactaceae)
    • New combinations and taxonomic notes in Cereinae (Cactoideae, Cactaceae) of Brazil
    • A microendemic and enigmatic new cactus species from the campo rupestre of Minas Gerais, Brazil: Uebelmannia nuda (Cactaceae, Cactoideae)
    • The Cerrado through cacti
    • More than a spiny morphology: plastome variation in the prickly pear cacti (Opuntieae)
    • Phylogenomics of One of the World’s Most Intriguing Groups of CAM Plants, the Opuntioids (Opuntioideae: Cactaceae): Adaptation to Tropical Dry Forests Helped Drive Prominent Morphological Features in the Clade
    • Evolution of the Xerocarpa clade (Opuntia; Opuntieae): Evidence for the Role of the Grand Canyon in the Biogeographic History of the Iconic Beavertail Cactus and Relatives
    • On the continuum of evolution: a putative new hybrid speciation event in Opuntia (Cactaceae) between a native and an introduced species in southern South America
    • Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family
    • Opuntia leoglossa sp. nov. (Cactaceae): a new identity for the aloctone “Lion’s Tongue” cactus
    • “That’s Opuntia, that was!”, again: a new combination for an old and enigmatic Opuntia s.l. (Cactaceae)
    • New World Cactaceae Plants Harbor Diverse Geminiviruses
    • Novel circular DNA virus identified in Opuntia discolor (Cactaceae) that codes for proteins with similarity to those of geminiviruses
    • Frutas nativas do Rio Grande do Sul, Brasil: riqueza e potencial alimentício
    • Beyond endemism, expanding conservation efforts: What can new distribution records reveal?
    • Reassessment and typification of Opuntia canterae (Opuntioideae, Cactaceae), an endemic prickly pear cactus of Uruguay
    • Insights Into Chloroplast Genome Evolution Across Opuntioideae (Cactaceae) Reveals Robust Yet Sometimes Conflicting Phylogenetic Topologies
    • A Novel Divergent Geminivirus Identified in Asymptomatic New World Cactaceae Plants
    • North American Opuntias (Cactaceae) in Argentina? Remarks on the phylogenetic position of Opuntia penicilligera and a closer look at O. ventanensis
    • An example preprint / working paper
    • First record of Opuntia rioplatense Cactaceae) for the Brazilian Flora
    • O educar-se no campo: caneta, enxada e botânica camponesa
    • Confirmation of Aloysia dusenii Moldenke (Verbenaceae) for South Brazil: implications for conservation
    • Frutas Nativas no Rio Grande do Sul: cultivando e valorizando a diversidade
    • Seed size correlation with phytotoxic effects of Baccharis psiadioides essential oil during seeds germination
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First note

Mar 19, 2026 · 1 min read

Starting to keep short notes here.

Last updated on Mar 19, 2026
Matias Köhler
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Matias Köhler
Assistant Professor
← ChatGPT fofoqueiro Mar 29, 2026
Daughter Feb 19, 2014 →

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