Scientific name: Tatraea macrospora (Peck) Baral
Derivation of name: Macro means "large" or "long"
and spora refers to a "seed (spore)." The ascospores of
this species
are quite long.
Synonyms: Ciboria peckiana (Cooke) Korf; Peziza
peckiana Cooke; Calycina macrospora (Peck) Seaver
Common name(s):
Phylum: Ascomycota
Order: Helotiales
Family: Helotiaceae
Occurrence on wood substrate: Saprobic; gregarious
on
rotten wood; summer through fall.
Dimensions: The stalked to almost sessile, discoid cups
are up to 1 cm wide and up to 1 cm high on stalks with
diameters of about 1 mm.
Sterile outer surface: Same as fertile surface in color
and in other aspects.
Fertile inner surface: Ashy-grey to yellowish-brown;
concave to nearly flat.
Edibility: Not edible.
Comments: My photographs were taken of specimens
collected and placed on display at the 2007 NEMF foray
in Orono, Maine.
Figure 1. Tatraea macrospora on pieces of rotting wood.
Photo © Gary Emberger.
Figure 2. Cluster of Tatraea macrospora fruitbodies.
Photo © Gary Emberger.
Figure 3. The fertile surface of the larger specimen is
almost flat. Photo © John Plischke III.
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Figure 4.
Fruit bodies are concave when young and flatten-
out as they mature. The outer and inner surfaces are
concolorous.
Photo © Gary Emberger.
Figure 5. These stalked specimens are about 1 cm tall on
stalks about 1 mm thick.
Photo © Gary Emberger.
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