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Ophioparma ventosa (L.) Norman
 
(= Haematomma ventosum (L.) Massal.)


Thallus a thick, areolate, warted, cream to yellow-grey crust (f. ventosa), or a pure, pale to dark grey grey crust (f. subfestiva, lacking usnic acid); apothecia flat, blood-red to red-brown, usually abundant. Locally common on base-poor rocks in upland ares of the north and west.

Refs: Smith et al. (2009), 647; Purvis et al. (1992), 416 (as O. "ventosum"); Dobson (2005), 295-296 (photo); Dobson (2011), 298 (photo); Jahns (1983), 206-7 (photo, as H. ventosum); Whelan (2011), 120 (photo); Wirth (1995), 2: 630 (photo, f. subfestiva); Wirth et al. (2004), 218 (photo, both colour forms); Wirth, Hauck & Schulz (2013), 2: 795 (photo); Moberg & Holmåson (1984), 110 (photo, as H. ventosum); Holien & Tønsberg (2008), 177 (photo); Hansen & Anderson (1995), 91 (photo, as H. ventosum); Stenroos et al. (2011), 299 (photo); Valcárcel et al. (2003), 262-3 (photo, as O. "ventosum"); Puntillo (1996), plate 27 (photo); Brodo et al. (2001), 473-474 (photo); Pope (2005), 53 (photo).

 
Ophioparma ventosa
Ophioparma ventosa
f. ventosa: on siliceous rocks, Braemar, Aberdeenshire, April 2002
 
Ophioparma ventosa
Ophioparma ventosa, close-up
f. subfestiva: on siliceous rocks, Braemar, Aberdeenshire, March 2008


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© A.J. Silverside
Uploaded April 2008, last updated September 2013 (first hosted at www-biol.paisley.ac.uk, January 2003)