<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> <HTML> <HEAD> <TITLE>Aspicilia contorta ssp. contorta (images of British lichens)</TITLE> <META NAME="description" CONTENT="Photographs of Aspicilia contorta ssp. contorta (lichen)"> <META NAME="keywords" CONTENT="image, images, photograph, lichen, Aspicilia, chewing gum, pavement"> <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_cinerea.html" target="_top"><img src="previous.gif" border=0 alt="Previous page" align=left></a> <a href="Aspicilia_contorta_hoffmanniana.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 contorta</b></font> <font size=4>(Hoffm.) Kremp.</font><br> <font size=4>subsp. <b>contorta</b><br>&nbsp;<br> (= <b>Circinaria contorta</b> (Hoffm.) A.Nordin, S.Savi &amp; Tibell subsp. <b>contorta</b>)</font></p> <p><br></p> <table width=840 border=0> <tr><td><div align=justify><font face="arial" size=2>Thallus of scattered to confluent, chalky-grey, more or less rounded, convex areoles, margin of thallus effuse, with dispersed areoles; apothecia one or more per areole. Common on base-rich rocks, also as a "chewing-gum lichen" forming circular colonies on pavements (compare <i><a href="Aspicilia_contorta_hoffmanniana.html">Aspicilia contorta</i> subsp.<i>hoffmanniana</a></i>, <i><a href="Lecanora_muralis.html">Lecanora muralis</a></i>).</p> <p>Refs: Smith <i>et al.</i> (2009), 184; Purvis <i>et al.</i> (1992), 98; Dobson (2005), 74 (photo); Dobson (2011), 80 (photo); Whelan (2011), 52 (photo); van Herk &amp; Aptroot (2004, 2013), 66-7 (photo); Wirth (1995), 1: 147, 149 (photo, more brownish variant); Valc&aacute;rcel <i>et al.</i> (2003), 122-3 (photo); Wirth, Hauck &amp; Schulz (2013), 1: 190, 368 (photo, as <i>Circinaria contorta</i>); Brodo <i>et al.</i> (2001), 169 (photo).</p> <p>FGBI: <a href="http://fungi.myspecies.info/all-fungi/circinaria-contorta-subsp-contorta" target="_blank">http://fungi.myspecies.info/all-fungi/circinaria-contorta-subsp-contorta</a></font></div></td></tr> </table> &nbsp; <table> <tr><td align=center><img src="Aspicilia_contorta_P8080434.jpg" border=1 vspace=5 alt="Aspicilia contorta subsp. contorta"></td></tr> <tr><td align=center><font face="arial" size=2>On paving, Saltash, Cornwall, August 2008<br>&nbsp;</font></td></tr> <tr><td align=center><img src="Aspicilia_contorta_ssp_contorta_DSCF0105.jpg" border=1 vspace=5 alt="Aspicilia contorta subsp. contorta"></td></tr> <tr><td align=center><font face="arial" size=2>Disused limestone quarry, Tomphubil, Perthshire, April 2003<br>&nbsp;</font></td></tr> <tr><td align=center><img src="Aspicilia_contorta_P3300775.jpg" border=1 vspace=5 alt="Aspicilia contorta subsp. contorta on rockface"></td></tr> <tr><td align=center><img src="Aspicilia_contorta_P3300772.jpg" border=1 vspace=5 alt="Aspicilia contorta subsp. contorta"></td></tr> <tr><td align=center><font face="arial" size=2>On basalt ledges in disused quarry, Luffness, East Lothian, March 2007<br>&nbsp;</font></td></tr> <tr><td align=center><img src="Aspicilia_contorta_pavement_PA150201.jpg" border=1 vspace=5 alt="Aspicilia contorta subsp. contorta forming &quot;chewing gum&quot; patches on pavement"></td></tr> <tr><td align=center><img src="Aspicilia_contorta_PA150211.jpg" border=1 vspace=5 alt="Aspicilia contorta subsp. contorta"></td></tr> <tr><td align=center><font face="arial" size=2>Forming somewhat eroded, &quot;chewing gum&quot; patches on paving stones, Paisley, Renfrewshire, October 2008<br>&nbsp;</font></td></tr> <tr><td align=center><img src="Aspicilia_contorta_contorta_DSCF3243.jpg" border=1 vspace=5 alt="Aspicilia contorta subsp. contorta"></td></tr> <tr><td align=center><font face="arial" size=2>On concrete wall capping, Paisley, Renfrewshire, March 2011<br>&nbsp;</font></td></tr> <tr><td align=center><img src="Aspicilia_contorta&hoffmanniana_DSCF3229.jpg" border=1 vspace=5 alt="Aspicilia contorta subspp. contorta and hoffmanniana together"></td></tr> <tr><td align=center><font face="arial" size=2><i>Aspicilia contorta</i> subsp. <i>contorta</i> (left and right) with subsp. <i>hoffmanniana</i> (centre), together on concrete capping of wall,<br>Paisley, Renfrewshire, March 2011</font></td></tr> </table> <p><br></p> <table border=0> <tr><td><a href="Aspicilia_cinerea.html" target="_top"><img src="baru6.gif" border=0 alt="Previous page"></a></td> <td width="50">&nbsp;</td> <td><a href="Aspicilia_contorta_hoffmanniana.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>