<Emphasis Type="Italic">Endohyalina</Emphasis>, the genus in the Physciaceae to accommodate the species of the <Emphasis Type="Italic">Rinodina ericina-</Emphasis>group |
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Authors: | Mireia Giralt Pieter P G van den Boom John A Elix |
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Institution: | 1.Departament de Bioquímica i Biotecnologia (àrea de Botànica), Facultat d”Enologia de Tarragona,Universitat Rovira i Virgili,Tarragona,Spain;2.Son,The Netherlands;3.Research School of Chemistry,Australian National University,Canberra,Australia |
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Abstract: | The genus Endohyalina is characterized by crustose, autonomous, or obligately lichenicolous thalli, lecideine apothecia with a hymenium often more
or less inspersed with oil droplets and a brown hypothecium, Bacidia-type asci, small Dirinaria-type ascospores developing with type B ontogeny, bacilliform conidia and containing diploicin as the major secondary metabolite.
The genus is based on four species previously included in Rinodina—R. ericina s. lat., R. insularis, R. interjecta and R. kalbii—and on two lichenicolous species from the Canary Islands described here as new, Endohyalina brandii and E. diederichii. The generic type, Endohyalina rappii, is reduced to synonymy with E. ericina whereas E. circumpallida is excluded from the genus and returned to Buellia s. lat. Except for the thalline growth form and the common lichenicolous habit, the diagnostic characters of Endohyalina are akin to those of Diploicia. New chemical data on Endohyalina insularis and E. kalbii are reported, and a simple method for determining the secondary chemistry of lichenicolous fungi is provided. |
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