Bryoparasitic Pezizales

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Octospora neerlandica Benkert & Brouwer
Persoonia 18: 381 (2004)

Octosproa neerlandica, apothecium on shoot of Syntrichia ruralis
1: Octospora neerlandica, apothecium on shoot of Syntrichia ruralis. Image by Emiel Brouwer.
Apothecia: 1-2 mm in diameter, with a membranaceous, fimbriate margin, hymenium pale- or pinkisch-orange to orange, outside somewhat paler paler
Asci: cylindric, 200-300 x 13-19 µm, 8-spored, spores uniseriate
Ascospores: ellipsoid, (15-)16-19(-20) x (10-)11-12(-13) µm, ornamentation consisting of an irregular reticulum with very variable formed, often prolonged and curved meshes, ridges 0.2-0.4 µm wide, spore surface densly wrinkled, ornamentation hardly visible with a light microscope, one oil droplet often accompanied by several smaller ones
Host: Syntrichia ruralis agg.
Infectious structures: infects the rhizoids
Habitat: coastal sand-dunes, on sandy soil, on roof tops, often growing directly on the host
Distribution: Canary Islands, The Netherlands


References:
  • Benkert, D. & Brouwer, E. 2004. New species of Octospora and some further remarkable bryoparasitic Pezizales from the Netherlands. - Persoonia 18: 381-391.

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