van den Boom P.P.G. & Zedda L.
(2000):
Lecania sipmanii, a new epiphytic lichen species from Syria,
Willdenowia,
30: 155-160
Lecania sipmanii (Lecanorales, Bacidiaceae), an epiphytic lichen from Syria is described as a species new to science and illustrated. The new species belongs to the L. polycycla group and is mainly characterized by a small, areolate thallus, spores strongly constricted at the septum, paraplectenchymatic excipulum cells and hairs in the thalline margin of the apothecia. It was collected on dust-impregnated bark of Salix and Populus species.
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