New records of lichens and lichenicolous fungi from La Gomera (Canary Islands, Spain), including the new species: Usnea boomiana P. Clerc Author van den Boom, Pieter P. G. Arafura 16, NL- 5691 JA Son, The Netherlands pvdboom@kpnmail.nl Author Clerc, Philippe Conservatoire et Jardin botaniques de la Ville de Genève, C. P. 60, 1292 Chambésy, Switzerland Author Ertz, Damien Botanic Garden Meise, Department Bryophytes-Thallophytes, Nieuwelaan 38, 1860 Meise, Belgium text Candollea 2015 2015-12-31 70 2 165 177 http://dx.doi.org/10.15553/c2015v702a1 journal article 10.15553/c2015v702a1 2235-3658 5720974 Tephromela grumosa (Pers.) Hafellner & Cl. Roux Notes . – This species was found on a steep, sheltered and shaded rock face, with the characteristic bluish soralia but without apothecia. It was previously not mentioned from Macaronesia ( CARVALHO et al., 2008 ; GABRIEL, 2008; HERNANDEZ-PADRON & PÉREZ-VARGAS, 2010 ). Material examined . – 28 , vr, Boom 46459 .