<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> <HTML> <HEAD> <TITLE>Aspicilia calcarea (images of British lichens)</TITLE> <META NAME="description" CONTENT="Photographs of Aspicilia calcarea (lichen)"> <META NAME="keywords" CONTENT="image, images, photograph, lichen, Aspicilia"> <META NAME="Author" CONTENT="Alan J. Silverside"> </HEAD> <BODY bgcolor="#000000" background="Icback_dr.jpg" TEXT="#000000" LINK="#3672a4" VLINK="#3672a4"> &nbsp; <center><table border=0 bgcolor="#ffffff" width=1000> <tr><td> <a href="Aspicilia_caesiocinerea.html" target="_top"><img src="previous.gif" border=0 alt="Previous page" align=left></a> <a href="Aspicilia_cinerea.html" target="_top"><img src="next.gif" border=0 alt="Next page" align=right></a> <blockquote> <h5 align=center><font color="#b22222" face="arial">&nbsp;<br>lastdragon.org</font></h5> <h2 align=center><font color="#b22222">Images of British Lichens</font></h2> <hr width="50%"> <p><br></p> <center> <p><font size=5><b>Aspicilia calcarea</b></font><font size=4> (L.) Mudd<br>&nbsp;<br> (= <b>Circinaria calcaria</b> (L.) A.Nordin, S.Savi &amp; Tibell)</font></p> <p><br></p> <table width=740 border=0> <tr><td><div align=justify><font face="arial" size=2>Thallus a chalky white (to pale blue-grey), smooth to cracked-areolate crust, margin well-defined, usually with radial cracking; apothecia set in the thallus, with black discs, or initially grey-pruinose, one or more per areole. On hard limestone, often common and forming conspicuous, large, circular patches. Fletcher <i>et al.</i> (in Smith <i>et al.</i>, 2009) state that it has been over-recorded on concrete in urban areas, such records generally being referable to <a href="Aspicilia_contorta_hoffmanniana.html"><i>A.&nbsp;contorta</i> subsp. <i>hoffmanniana</i></a>.</p> <p>Refs: Smith <i>et al.</i> (2009), 184; Purvis <i>et al.</i> (1992), 98; Dobson (2005), 73 (photo); Dobson (2011), 79 (photo); Whelan (2011), 51 (photo); Wirth (1995), 1: 147, 149 (photo); Wirth <i>et al</i>. (2004), 246 (photo); Wirth, Hauck &amp; Schulz (2013), 1: 190, 368 (photo, as <i>Circinaria calcarea</i>); Moberg &amp; Holm&aring;son (1984), 110 (photo); van Herk &amp; Aptroot (2004, 2013), 66-7 (photo).</p> <p>FGBI: <a href="http://fungi.myspecies.info/all-fungi/circinaria-calcarea" target="_blank">http://fungi.myspecies.info/all-fungi/circinaria-calcarea</a></font></div></td></tr> </table> &nbsp; <table> <tr><td align=center><img src="Aspicilia_calcarea_DSCF0058.jpg" border=1 vspace=5 alt="Aspicilia calcarea"></td></tr> <tr><td align=center><img src="Aspicilia_calcarea_DSCF0058a.jpg" border=1 vspace=5 alt="Aspicilia calcarea, close view"></td></tr> <tr><td align=center><img src="Pavement_w_Aspicilia_calcarea_DSCF0096.jpg" border=1 vspace=5 alt="Limestone pavement with Aspicilia calcarea, Perthshire"></td></tr> <tr><td align=center><font face="arial" size=2>On limestone pavement, Schiehallion, Perthshire, April 2003<br>&nbsp;</font></td></tr> <tr><td align=center><img src="Aspicilia_calcarea_P2270021.jpg" border=1 vspace=5 alt="Aspicilia calcarea"></td></tr> <tr><td align=center><img src="Aspicilia_calcarea_P2270014.jpg" border=1 vspace=5 alt="Aspicilia calcarea, close view"></td></tr> <tr><td align=center><font face="arial" size=2>On coastal limestone rocks, Sand Bay, Somerset, February 2010 (BLS meeting)</font></td></tr> </table> <p><br></p> <table border=0> <tr><td><a href="Aspicilia_caesiocinerea.html" target="_top"><img src="baru6.gif" border=0 alt="Previous page"></a></td> <td width="50">&nbsp;</td> <td><a href="Aspicilia_cinerea.html" target="_top"><img src="baru8.gif" border=0 alt="Next page"></a></td></tr> </table> </center> <p><br></p> <p><hr></p> <center><font face="Arial" size=2> <p><b><a href="index.html" target="_top">Lichens HOME PAGE</a> | <a href="indexP.html" target="_top">Index of Species</a> | <a href="http://www.lastdragon.org/conditions.html" target="_top">Conditions of Use and e-mail contact</a> | <a href="references.html" target="_top">References</a> | <a href="http://www.lastdragon.org/home.html" target="_top">Site Home Page</a></b></p> </font></center> <p><br></p> <font face="Arial" size=2> <P>&copy; A.J. Silverside<br> Uploaded March 2008, last updated January 2016 (first hosted at www-biol.paisley.ac.uk, December 2006)</p> </font> </blockquote> </td></tr> </table></center> </BODY> </HTML>