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Journal article
Five new South American species of Myrcia s.l. (Myrtaceae).
Five new species of Myrcia s.l. are described and illustrated: Myrcia ascendens (related to Myrcia densa), Myrcia attenuata (related to Myrcia bicolor), Myrcia costeira (related to Myrcia bicarinata), Myrcia rupestris (related to Myrcia lenheirensis) and Myrcia subterminalis (related to Myrcia bicolor). The new species occur in the Brazilian Atlantic Forest... -
Journal article
The genus Callitriche (Plantaginaceae: Callitricheae) in South America.
Callitriche is a sub-cosmopolitan plant genus occurring throughout temperate regions of both hemispheres, including the peri-Antarctic islands, with 78 species worldwide. Records of Callitriche include frequent and extensive misidentification due to a combination of factors including a lack of taxonomic and nomenclatural clarification before the mid-20th century. This work aims...Lansdown, Richard V. ; Hassemer, Gustavo
Overlooked species, South America, Callitriche, Typification, Nomenclature, Taxonomy, and New species