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17 August 2015 Small scale fog-gradients change epiphytic lichen shape and distribution
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Abstract

Fruticose lichens often live in environments where airflow and atmospheric water input may influence their morphology. Measurements of the “pendulosity” (erect length/total length) of Usnea and Ramalina thalli growing on tall, cylindrical cacti in a fog-influenced desert show local-scale patterns that fit with aerodynamic theory. Windward thalli were shorter and more erect while leeward thalli were significantly more pendulous, consistent with expectations for the harvesting of water droplets from foggy air.

Copyright ©2015 by The American Bryological and Lichenological Society, Inc.
Daniel E. Stanton "Small scale fog-gradients change epiphytic lichen shape and distribution," The Bryologist 118(3), 241-244, (17 August 2015). https://doi.org/10.1639/0007-2745-118.3.241
Received: 28 April 2015; Accepted: 1 June 2015; Published: 17 August 2015
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