Parmotrema and Allied Lichen Genera in Papua New Guinea
A revision of the genus Parmotrema (Ascomycotina: Parmeliaceae) in Papua New Guinea has shown it to comprise 50 species. Twelve species are new records for Papua New Guinea and six are described as new to science: Parmotrema kurolawianum, P. malonprotocetraricum, P. menyamyaense, P. sipmanii, P. verrucatum and P. watutense. The new combination Parmotrema proeinsuetum (Hale) Louwhoff & Elix is made. Fourteen of the 50 species of Parmotrema are considered endemic to Papua New Guinea. A key and descriptions of the species are given, and the synonymy, chemistry, distribution, ecology and taxonomic affinities of each species discussed. In addition, three species of Rimelia and one of Canomaculina have been identified for Papua New Guinea, and these are also described.
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a-collatolic acid acid major acid present acid trace alectoronic acid altitude apices Apothecia April 1982 CANB ascospores brown Bulolo CANB Canomaculina CHEMISTRY chloroatranorin ciliate cm wide conidia containing atranorin coriaceous corniculans Cortex K+ yellow corticolous crenate DISTRIBUTION and HABITAT Distribution of Parmotrema durumae EASTERN HIGHLANDS PROVINCE eciliate emaculate erhizinate marginal zone eumitrin Goroka grey-green HABITAT holotype imperforate isidia K+ purple Kainantu km SW KROG & SWINSCOW Kurok KUROKAWA laciniae lacking isidia Lambley lobe margins logging area Lower surface black M. E. Hale margins entire medulla K+ Medulla white medullary mellissii membranaceous moderately dense montane MOROBE PROVINCE naonii Papua New Guinea Parmelia pigment poolii presence protocetraric acid protolichesterinic acid pycnidia rarely rhizines Rimelia salazinic acid shiny simple skyrin slender soralia sorediate sparse species is characterized Species of Parmotrema Specimens Examined PAPUA spores Streimann subarnoldii sublageniform submarginal Thallus loosely adnate Upper surface pale usnic acid Watut River