Synopsis of Pentacalia (Compositae: Senecioneae) in Brazil

Xenophyllum, a New Andean Genus Extracted from Werneria s.l. (Compositae: Senecioneae)

A new genus, Xenophyllum, is described, which consists of 21 species extracted from Werneria s.l. (Compositae: Senecioneae). All members of this new genus are mator hummock-forming perennials that grow at high elevations (3000-5200 m) in the Andes from Colombia to northern Argentina and northern Chile. Included is a brief description of the disposition of the species of Werneria s.l. and a prel...

Synopsis of the Parasites in Iranian Freshwater Fishes

  Two hundred forty seven species of parasites from Iranian freshwater fishes are presented in this synopsis. The parasites were recorded from infestations in fish from different parts of the country and summarized according to host species, organs were the parasite infestations occurred, province, faunal region and reference numbers. The following aspects of parasite infestations were a...

Synopsis of the Parasites in Iranian Freshwater Fishes

  Two hundred forty seven species of parasites from Iranian freshwater fishes are presented in this synopsis. The parasites were recorded from infestations in fish from different parts of the country and summarized according to host species, organs were the parasite infestations occurred, province, faunal region and reference numbers. The following aspects of parasite infestations were also dis...

Wood Anatomy of Vernonieae (Compositae)

Systematics of Isocarpha (Compositae: Eupatorieae)

Isocarpha comprises five species ranging from southern Texas and the Bahamas to northern Peru and northeastern Brazil. The genus belongs in Eupatorieae rather than Heliantheae, but structure of the head of Isocarpha with its elongate, chaffy receptacle is anomalous within Eupatorieae. An hypothesis is presented suggesting the evolutionary derivation of this type of head through formation of flo...