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Goniocyst

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This is a test version of the LIAS Glossary. Many definitions presented here are still in need of revision! Criticism as well as collaboration is welcome!
goniocyst (noun, pl. goniocysts; variant spelling: goniocystula, pl. goniocystulae) – a small (ca. 12-40 um diam.) aggregation of photobiont cells surrounded by short-celled hyphae without an amorphous layer, forming a discrete, ecorticate, ± globular structure which is not a soredium because the photobiont is completely enclosed; e. g., (1) granular thallus particles forming the Botrydina stage of Omphalina sp. (i. e., the anamorphic, thalline part of a basidiomycetous lichen); (2) granular, asexual reproductive particles produced within goniocystangia of some tropical foliicolous lichens; (3) granular thallus particles produced by Micarea spp.
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Referenced by: Goniocystangium, Goniocystula, Goniocystulae

Resources: Flora Australia Fungi Lichens | Ill. Myc. Ass. | Sydney Gloss.: A-B C-M N-Z | Cornell Pl. Path. | APS Pl. Path.: A-D E-H I-M N-R S-V W-Z.
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