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Go to the NZFungi website for more indepth information on Hypoxylon subcorticeum. Hypoxylon subcorticeum

Biostatus

Present in region - Indigenous. Endemic
Description: Stromata: Stromata pulvinate, or effused; 30-100 mm long; 10-30 mm broad; 0.6-0.8 mm thick; perithecia not visible, or inconspicuous; ostioles lower than or more or less equal to stromatal surface; stromatal surface dark brown (brown vinaceous); granules immediately below stromatal surface rust to orange, or red brown; KOH-extractable pigments yellowish-;green; tissue below perithecia inconspicuous.
Perithecia: Perithecia more or less globose; 0.2-0.3 mm diam.
Asci: Asci 175-205 µm long; 10-11.5 µm wide; stipe long with spores more or less confined to upper half of ascus; amyloid ring broader than high.
Ascospores: Ascospores 13-19 µm long; 6.5-8.5 µm wide; brown; 0-septate; in side view more or less equilateral, or inequilateral, flattened on one side, not curved; ends broadly rounded (rarely narrowly rounded). Germ slit straight, spore-length; on concave, curved side of spore. Perispore indehiscent in 10% KOH.