New Combinations in Packera (Asteraceae) and Lectotypification of Packera ovina
نویسندگان
چکیده
منابع مشابه
Chemical constituents of Packera coahuilensis and Packera bellidifolia.
Until now only six out of the 51 species which constitute the genus Packera (Weber and LoK ve, 1981) had been studied chemically (Pettit et al., 1980; Bohlmann et al., 1981; McCoy et al., 1983; Zalkow et al., 1988; PeH rez et al., 1991; Bah et al., 1994). In order to contribute to the chemistry of the genus, we decided to study Packera coahuilensis (Grenm.) C. Je!rey (MEXU 781268) and Packera b...
متن کاملTwo new combinations in the genus Distephanus Cass. (Asteraceae, Vernonieae)
New combinations are provided in Distephanus for two species from Madagascar.
متن کاملa fundamental study of "histiriographic metafiction", and "literary genres", as introduced in "new historical philosophy", and tracing them in the works of julian barnes.
abstract a fundamental study of “historio-graphic metafiction” and “literary genres”, as introduced in “new historical philosophy”, and tracing them in the works of julian barnes having studied the two novels, the porcupine and arthur & george, by julian barnes, the researcher has applied linda hutcheon’s historio-graphic metafictional theories to them. the thesis is divided into five cha...
15 صفحه اولNew and existing combinations in Palaeotropical Phlegmariurus (Lycopodiaceae) and lectotypification of the type species Phlegmariurus phlegmaria (L.) T.Sen & U.Sen.
The genus Phlegmariurus Holubis recognised more widely than originally proposed and is circumscribed to include both Neotropic and Palaeotropic epiphytic and terrestrial species of Huperzioid Lycopodiaceae that have isotomous shoots, lack bulbils in their sporophyllous shoots and have spores with convex lateral margins and foveolate-fossulate sculpture restricted to their distal surfaces. New c...
متن کاملon the comparison of keyword and semantic-context methods of learning new vocabulary meaning
the rationale behind the present study is that particular learning strategies produce more effective results when applied together. the present study tried to investigate the efficiency of the semantic-context strategy alone with a technique called, keyword method. to clarify the point, the current study seeked to find answer to the following question: are the keyword and semantic-context metho...
15 صفحه اولذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Novon
سال: 1999
ISSN: 1055-3177
DOI: 10.2307/3392141