Photobiont layer

photobiont layer (noun, pl. photobiont layers) – a distinct, horizontal aggregation of photobiont cells (algae or cyanobacteria) lying just below the upper cortex or close to the surface of lichens that have no cortex; generally developed between thin-walled and loosely interwoven hyphae. Related terms: algal layer, algal sheath, cephalodium, hormocytangium, hormocyte, methathallus.

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Other Resources: Flora Australia Fungi, Lichens  •  Glossary at Mushroom  •  Cornell Pl. Path.  •  APS Pl. Path.: A-D E-H I-M N-R S-V W-Z.
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