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Order: Teloschistales
Family: Teloschistaceae
Species: Blastenia ferruginea (Caloplaca ferruginea) Photos: On hazel and willow. The Burren and Gougane Barra, Ireland Entire or immersed thin, smooth, pale whitish-grey thallus. Large bright-orange apothecia, often with uneven, flexose margins. Asci are 8-spored, spores ellipsoid, polarilocular, 12-14 x 6-8 µm, septum 5 µm to approx 1/2 length of ascospore. Micrograph below. K+ crimson / purple. Mainly found on Hazel and Willow, also on twigs and trunks of other basic-barked trees. Increasing in Ireland, rare in UK Similar: C. crenularia. Found on siliceous rocks. |