Novos registros de fungos liquenizados para o estado do Paraná, Brasil

This article reports for the first time to the State of Paraná, the occurrence of 41 species of lichenized fungi, distributed in 22 genera and 15 families for the first time to Paraná State. Among these, the following species, Cladonia consimilis, C. megaphylla, C. pumila, C. testaceopallens, Lobaria carassensis, Parmotrema neosubcrinitum, Physcia atrostriata, Pseudoparmelia arida, P. brakoana, Pyxine obscurascens and Sticta variabilis are new records for south Brazil.São registradas pela primeira vez para o estado do Paraná 41 espécies de fungos liquenizados, distribuídos em 22 gêneros e 15 famílias. Cladonia consimilis, C. megaphylla, C. pumila, C. testaceopallens, Lobaria carassensis, Parmotrema neosubcrinitum, Physcia atrostriata, Pseudoparmelia arida, P. brakoana, Pyxine obscurascens e Sticta variabilis são novas ocorrências para o sul do Brasil

Verticillate Cladonia species (Lichenized Ascomycota) from high-altitude environments of Serra do Mar in Southern Brazil

In a survey of the species of Cladonia occurring in high-altitude environments of Serra do Mar in Southern Brazil, eight species with verticillate podetia were found. Cladonia clathrata and C. imperialis are new records for the Southern Brazil; C. flagellaris, C. penicillata, and C. verticillaris are new for the State of Santa Catarina; C. calycanthoides and C. rappii are new for the State of Paraná. Detailed descriptions, an identification key, illustrations, and taxonomical remarks are provided

Peterjamesia circumscripta (Leight.) D. Hawksw. (Roccellaceae: Ascomycota): First record to continental South America

Peterjamesia circumscripta, previously known from Australia, Europe, North Africa, North and Central America, and Galapagos Islands was collected in southern Brazil. This is the first record of this species in continental South America

Notes on the chemical variation of the lichenized Ascomycota Cladia aggregata (Cladoniaceae) in the states of Paran\ue1 and Santa Catarina, Brazil

The chemical compounds of Cladia aggregata from the states of Paraná and Santa Catarina were analyzed, resulting in five chemotypes. The chemotypes are as follows: barbatic and 4-O-demethylbarbatic acid; barbatic, 4-O-demethylbarbatic, and homosekikaic acid; barbatic, 4-O-demethylbarbatic and diffractaic, or barbatic and diffractaic acid; barbatic, 4-O-demethylbarbatic, and fumarprotocetraric acid; and barbatic, 4-O-demethylbarbatic, and stictic acid