منابع مشابه
Adiantum shastense, a new species of maidenhair fern from California
A new species of Adiantum is described from California. This species is endemic to northern California and is currently known only from Shasta County. We describe its discovery after first being collected over a century ago and distinguish it from Adiantumjordanii and Adiantumcapillus-veneris. It is evergreen and is sometimes, but not always, associated with limestone. The range of Adiantumshas...
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This work describes the phytochemical analysis and analgesic activity of a non polar fraction obtained from Adiantum cuneatum grown in Brazil. The results showed that the hexane fraction as well as two pure compounds, identified as filicene (1) and filicenal (2), given intraperitoneally, exhibited potent analgesic activity when evaluated in two models of pain in mice, writhing test and formalin...
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Canthonella amazonica and C. leptoculata, new species of canthonine dung beetles, are described from Brazil’s central Amazon region. A new key to the eight species that occur in South America is provided.
متن کاملA new species of Calomys (Rodentia: Sigmodontinae) from Eastern Brazil
On the basis of combined analyses of karyotypic, molecular and morphologic data, we herein describe a new Calomys species collected in a transitional area between the Atlantic Forest and the Cerrado morphoclimatic domains of eastern Brazil. This new taxon differs from all other Brazilian Calomys species by its diploid number (2n=38), the lowest among Brazilian Calomys species, and by its yellow...
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Dorstenia stellaris is a new species from southeastern Brazil. This species is endemic to the region and differs from the others by its star shaped coenanthium and cordiform leaves. A description and illustration of this species is presented here. Dorstenia stellaris is found in moist and shady places, in small populations within the type locality, thus we recommend its inclusion in the endange...
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ژورنال
عنوان ژورنال: American Fern Journal
سال: 2003
ISSN: 0002-8444,1938-422X
DOI: 10.1640/0002-8444(2003)093[0076:nsiafb]2.0.co;2