Abstract
Acta Botanica NeerlandicaVolume 31, Issue 5-6 p. 491-494 Brief Communication A NEW CHEMICAL STRAIN OF CLADONIA FURCATA (HUDS.) SCHRAD. (LICHENES) A. Barendregt, A. Barendregt Instituut voor Systematische Plantkunde, Heidelberglaan 2, 3584 CS UtrechtSearch for more papers by this authorP. J. L. Van Den Dries, P. J. L. Van Den Dries Instituut voor Systematische Plantkunde, Heidelberglaan 2, 3584 CS UtrechtSearch for more papers by this authorH. J. M. Sipman, H. J. M. Sipman Instituut voor Systematische Plantkunde, Heidelberglaan 2, 3584 CS UtrechtSearch for more papers by this author A. Barendregt, A. Barendregt Instituut voor Systematische Plantkunde, Heidelberglaan 2, 3584 CS UtrechtSearch for more papers by this authorP. J. L. Van Den Dries, P. J. L. Van Den Dries Instituut voor Systematische Plantkunde, Heidelberglaan 2, 3584 CS UtrechtSearch for more papers by this authorH. J. M. Sipman, H. J. M. Sipman Instituut voor Systematische Plantkunde, Heidelberglaan 2, 3584 CS UtrechtSearch for more papers by this author First published: November 1982 https://doi.org/10.1111/j.1438-8677.1982.tb01664.xCitations: 1AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat Citing Literature Volume31, Issue5-6November 1982Pages 491-494 RelatedInformation
Highlights
The plants with psoromic acid represent the slender form of C. furcata. which is the predominant form in lowland western Europe
The slender form was treated as a distinct variety by Sandstede (e.g. 1931): C. furcata var. racemosa (Hoffm.) Flk., which name was corrected by Thomson (1967) into C. furcata var. furcata
The presence of psoromic acid was indicated by the yellow colour reaction upon application of paraphenylene diamine solution, and checked by TLC (Walker & James 1980, solvent system A)
Summary
The plants with psoromic acid represent the slender form of C. furcata. which is the predominant form in lowland western Europe (fig. 1). 3 cm long and up to 0.8 mm wide, branching regularly But not very densily dichotomously, and olivaceous green to brownish in colour. Squamules are present only occasionally, on the lower parts of the podetia, and are roundish with a crenulated margin, up to c.
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