Hapter

Hapters are short, peg-like attachments of the lower surface of lichen to the substrate on which they grow. They are distinct from rhizines, which are more hair-like.[1]

Xanthoria elegans, species known to produce hapters

Hapters are characteristic of the common saxicolous species, Xanthoria elegans.[2]

References
  1. McCune, B. & Geiser, L. Macrolichens of the Pacifica Northwest. 2nd Edition., Oregon State University Press. 2009.
  2. Goward, Trevor (1994). Lichens of British Columbia. Part 1, Foliose and Squamulose Species. Province of British Columbia. pp. 139–140. ISBN 0-7726-2194-2.
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