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Images of British Lichens
Sclerophora peronella (Ach.) Tibell
A 'pin lichen' with minute, stalked, pink-brown or pruinose apothecia (maezidia), 0.5–0.8 mm in height, stalk with a red-brown central core, standing up from a thin, immersed, crustose thallus; ascospores colourless, globose, appearing smooth, 3–3.5 µm diameter. In crevices in dry bark of deciduous trees, known from scattered localities, principally in the Scottish Highlands.
Refs: Smith et al. (2009), 838; Purvis et al. (1992), 561; Nordic Lichen Flora (1999) 1: 64, 90 (photo); Dobson (2011), 409-10 (photo); Holien & Tønsberg (2008), 147 (photo); Arup et al. (1997), 236 (photo); Thor & Arvidsson (1999), 324 (photo), 476; Puntillo (1996), plate 37 (photo). |
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On Sycamore (Acer pseudoplatanus), Kindrogan, Perthshire, March 2008
(material for studio close-up kindly loaned by BJ Coppins, as this is a rare species that should not be freely collected)
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| Photomicrograph of maezidium & ascospores, Kindrogan, Perthshire, March 2008 |
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Uploaded September 2008, last updated November 2011
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