Hammered Shield Lichen
by Oliver Meckes EYE OF SCIENCE
Title
Hammered Shield Lichen
Artist
Oliver Meckes EYE OF SCIENCE
Medium
Photograph - Photograph
Description
Color enhanced scanning electron micrograph (SEM) of a section through a hammered shield lichen (Parmelia sulcata). Lichens are organisms formed by the symbiotic association of a fungus (thin tubular structures) and an alga (green spheres) or cyanobacterium. The algal cells produce nutrients using photosynthesis which are absorbed by fungal hyphae that surround and penetrate the algae. Fungal hyphae also absorb minerals from rainwater or acidic digestion of the substrate. Parmelia lichen are classified as foliose due to their flat appearance and leaf-like structures. Magnification x1360 when printed 10 cm wide.
Uploaded
May 19th, 2021
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