Caloplaca cerina
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Caloplaca cerina (Hedw.) Th.Fr. |
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| ( Hedw. ) Th.Fr. |
Caloplaca cerina (Hedw.) Th. Fr. is a species of lichen fromthe Teloschistaceae family .
features
Macroscopic features
Caloplaca cerina is a crusty lichen, that is, its bed ( thallus ) lies close to the base. The thallus is thin, slightly warty, gray without soredia and isidia . The apothecia have a diameter of 0.4 to 1.5 mm. The apothecary disc is yellow to orange, not frosted, mostly flat and somewhat concave in the early stage of development . The edge of the apothecary is light gray.
Microscopic features
The spores are hyaline , polar 2-celled, 10–15 × 4.30–5.90 µm. The paraphyses are not or only slightly thickened at the end.
Spot reaction
The thallus does not change color when it is drizzled with potassium hydroxide solution (K-) and the apothecary disk changes color to red (K +).
Similar Art
Caloplaca cerina var. Muscorum caneasily be confusedwith Caloplaca cerina . The difference is that Caloplaca cerina occurs on bark and Caloplaca cerina var. Muscorum only on moss.
literature
- Felix Schumm: Lichen Madeira, the Canaries and Azores , p. 19, (1st edition February 2008), ISBN 978-3-00-023700-3
Web links
- Description at flechtenmikoskopie.de (PDF; 275 kB)