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2024
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2015
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... -
2016
Journal article
Systematic Treatment of American Trichilia (Meliaceae).
The neotropical species of Trichilia are revised. The last major treatment of the group was published in 1981 and 3500 additional collections are examined for the present study. Eighty-one species are recognized, a key to the species is provided, all names are typified and descriptions of all species are given....Pennington, Terence D.
Central America, South America, Trichilia, Geographical distribution, New species, New subspecies, and Neotropics
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2021
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
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2015
Journal article
Ipomoea (Convolvulaceae) in Bolivia.
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2020
Journal article
Two new species of Pontederia L. (Pontederiaceae Kunth) to South America.
Two new species of Pontederia are here described and illustrated. Pontederia gigantea is similar to P. sagittata by its sagittate leaf blade, but the first one presents blue flowers while the second one has whitish to pinkish flowers. Besides that, P. gigantea is endemic to Brazil, occurring in small populations...Sousa, Danilo J.L. ; Siqueira, Gabriela B. ; Giulietti, Ana Maria
South America, South American flora, Aquatic plant, Identification key, Commelinales, Pontederia, and New species
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2021
Journal article
Phylogenetic revision of South American Teloschistaceae (lichenized Ascomycota, Teloschistales) reveals three new genera and species.