Name: Kretzschmaria zonata (Lév.) P.M.D. Martin
Most Confident Observations:
Copyright © 2014 Danny Newman (myxomop)
Version: 2
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First person to use this name on MO: Roo Vandegrift

Nomenclature:

Rank: Species

Status: Accepted

Name: Kretzschmaria zonata

ICN Identifier: missing

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Author: (Lév.) P.M.D. Martin

Citation: P.M.D. Martin, South African Journal of Botany 42 (1): 75 (1976)

Classification:

Domain: Eukarya

Kingdom: Fungi

Phylum: Ascomycota

Class: Sordariomycetes

Order: Xylariales

Family: Xylariaceae

Genus: Kretzschmaria

Lifeform:
Brief Description: [See More | Edit]

Stromata pulvinate to effused pulvinate, discrete, densely aggregated or fused, 0.5 to more than 10 cm diam x 0.8-4 mm thick, attached to substrate with narrow connectives, usually with crenate, sloped margins; surface dull copper brown, dark brown to blackish brown, often with reticulate major cracks; carbonaceous immediately beneath surface; tissue between and beneath perithecia coriaceous to woody, white to gray, becoming dark brown and disintegrating.

Perithecia spherical to obovoid, 0.7-1.5 mm diam x 1-2 mm high.

Ostioles papillate to coarsely papillate.

Asci 410-480 mm total length x 10-14 mm broad, the spore-bearing parts 170-210 mm long, the stipes 200-260 mm long, with apical ring bluing in Melzer’s iodine reagent, urn-shaped, 4-6 mm high x 3-4 mm broad.

Ascospores dark brown to blackish brown, unicellular, fusoid to ellipsoid, inequilateral, with acute ends often pinched and blackened, smooth, 21-34 × 8.5-12 mm, with straight germ slit spore-length or nearly so.

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