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File:Xanthoparmelia semiviridis (comparison of dry and wet form).jpg

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Summary

Description
English: Collected beside the Monaro Highway, between Michelago and Cooma, Southern Tablelands, New South Wales, Australia

The dry specimens on the left have curled lobes to give maximum protection to the sensitive green algal layer within the thallus. Metabolism is minimal in this state, and because the lichen is not attached to the soil, dry thalli can be dispersed by wind, like miniature tumble-weeds.

After 5 minutes of saturation in water, the lobes uncurl and flatten out, exposing the algal layer to ensure optimal photosynthesis.

Scales: 2 cm
Date
Source https://www.flickr.com/photos/83327151@N08/29498214986/
Author Pat McCarthy (Canberra)

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This image was originally posted to Flickr by Pat McCarthy (Canberra) at https://flickr.com/photos/83327151@N08/29498214986. It was reviewed on 12 June 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0.

12 June 2022

Captions

Xanthoparmelia semiviridis (comparison of dry and wet form)

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8 September 2016

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current20:35, 12 June 2022Thumbnail for version as of 20:35, 12 June 20222,362 × 1,424 (1.28 MB)MarshelecUploaded a work by Pat McCarthy (Canberra) from https://www.flickr.com/photos/83327151@N08/29498214986/ with UploadWizard

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