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    New Coenogonium species (Ostropales: Coenogoniaceae) from Thailand, new reports and a revised key to the species occurring in the country
    (2016-11-04)
    Kalb, Jutarat
    ;
    Boonpragob, Kansri
    ;
    Kalb, Klaus
    A revision of 159 Coenogonium collections from Thailand preserved in RAMK, herb. K. Kalb and herb. K. & J. Kalb is presented. 18 species (including 1 doubtful) could be delimited, three of which are described as new to science, namely C. convexum which differs from the similar C. nepalense by smaller and convex apothecia already at a very early stage of development, C. subborinquense which has larger apothecia (almost double the size) than the similar C. borinquense and C. verrucimarginatum which differs from C. coronatum by having denticulate-verrucose margins of the apothecia. Coenogonium barbatum, C. epiphyllum, C. frederici, C. leprieurii and C. queenslandicum are new additions to the Thai lichen biota. C. disciforme is synonymized with C. isidiiferum. The peculiar vegetative propagules in this species, hitherto named isidia, are described as thallodiscs. Photographs showing the habitus of the species as well as characteristic structures are given and a dichotomous key for the identification of all species is provided.
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    ‘Missing links’ alive? Novel taxa represent morphological transitions between distinctive phenotypes among extant Graphidaceae (lichenized Ascomycota: Ostropales)
    (2016-07-20)
    Kalb, Jutarat
    ;
    Polyiam, Wetchasart
    ;
    Plata, Eimy Rivas
    ;
    Bawingan, Paulina A.
    ;
    Kalb, Klaus
    We provide an updated account on the species of the Cruentotrema-Dyplolabia clade in Graphidaceae subfamily Fissurinoideae, describing three new species: Cruentotrema lirelliforme J. Kalb, Polyiam & K. Kalb, differing from Cruentotrema thailandicum in the lirelliform ascomata; Dyplolabia chumphonensis J. Kalb & K. Kalb, differing from Dyplolabia oryzoides by smaller ascospores; and Dyplolabia dalywaiana Rivas Plata, Bawingan & Lücking, differing from other Dyplolabia species in the angular, erumpent asomata with broadly exposed disc and irregular pseudocolumella. In addition, two further species are recognized as new combinations: Cruentotrema puniceum (Müll. Arg.) J. Kalb & K. Kalb (Bas.: Arthothelium puniceum Müll. Arg.; syn.: Thelotrema rhododiscum Homchant. & Coppins) and Dyplolabia ochrocheila (Vain.) Rivas Plata & Lücking (Bas.: Graphis ochrocheila Vain.). Cruentotrema kurandense is reported as new to Thailand. Altogether, 11 species are now recognized in the two genera, six in Cruentotrema and five in Dyplolabia. In view of the disparate morphology of the two genera, the discovery of two of the three new species is highlighted as phenotypically transitional taxa, so-called ‘missing links’, and the phylogeny of this clade is revised.
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    Microwaves in the Asia-Pacific region
    (2002-01-01)
    Yamashita, Eikichi
    ;
    Bird, Trevor S.
    ;
    Feng, Zhenghe
    ;
    Bhat, Bharathi
    ;
    Akaike, Masami