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Studies in Baccharidinae (Asteraceae: Astereae). I: Lanugothamnus a new genus from South America
A new genus of Asteraceae is described, to include eighteen species and one subspecies of Baccharis before placed in the subgenus Tarchonanthoides, and two new sections are described: Sericicarpa and Pluricephala.
Taxonomic novelties for the genus Cypella (Iridaceae): new species, synonymies and nomenclatural types
Two new species are described and illustrated from northeastern Argentina, and northern Uruguay, and three new synonyms are proposed: C. laeta, C. amplimaculata under C. exilis, and C. osteniana subsp.
Taxonomic novelties in Calydorea Herbert (Iridaceae: Tigridieae)
Es descripta e ilustrada Calydorea riograndensis Deble una nueva especie para el estado de Rio Grande do Sul (Brasil). Se incluyen comentarios sobre su distribucion geografica, afinidades y
Brazilian Flora 2020: Leveraging the power of a collaborative scientific network
The shortage of reliable primary taxonomic data limits the description of biological taxa and the understanding of biodiversity patterns and processes, complicating biogeographical, ecological, and
New circumscription of the genus Gamochaeta (Asteraceae, Gnaphalieae) inferred from nuclear and plastid DNA sequences
The results affirm that Gamochaeta is paraphyletic as presently circumscribed and show Omalotheca supina, O. norvegica and O. sylvatica, which were placed by some authors in Gam Cochaeta or in Gnaphalium, form a monophyletic group distantly related to both genera.
Resurrection and epitypification of Butia poni (Arecaceae), a neglected palm micro-endemic in the grasslands of Misiones, Argentina
A lectotype is designated here for Cocos poni , a species first proposed by Hauman in Las Palmeras de la Flora Argentina and currently treated as a synonym of Butia yatay or B. paraguayensis .
Three new species of Cypella (Iridaceae) from South America, and taxonomic delimitation of C. suffusa Ravenna
Three new species of Cypella are described and illustrated for the complex of grasslands ecosystems of Rio de La Plata: C. guttata and C. ravenniana, and data about phenology, geographic distribution, conservation and dichotomous keys to segregate these three new species from its related species are supplied.
Two new species of Cypella (Iridaceae: Tigridieae) from Rio Grande do Sul, Brazil
From Cypella osteniana the new species differs by 1-flowered spathes, which is related with C. fucata, but differs by white flowers and divergent adaxial crests of style apices.
Cypella (Iridaceae): What do we know about the diversity of the genus?
Comments about geographic distribution, taxonomic affinities, and morphology of all taxa are presented, and a key to distinguish the species of Cypella was organized.