Observation 368303: Peziza waltersii Seaver

Collector’s_Name: Alden C. Dirks
Collection_Number(s): ACD0160, MF83709
Habitat: Mixed hardwood forest/savanna
Substrate: Underside of hardwood log
Macroscopic_Features: Apothecia: Subturbinate with a central depression; yellowish over entire fruiting body; 5-10 mm diam., although largest apothecium was stepped on before measured
Microscopic_Features: Asci: Length (261) 272.6-313.9 (328.2) µm, width (13.4) 13.8-16.4 (17.4) µm
Ascospores: Elliptic, coarsely tuberculate; length (15.3) 15.7-17.3 (18.1) µm, width (8.8) 9.3-10.4 (11) µm, mean 16.5 × 9.9 µm, Q (1.4) 1.6-1.8 (2.1)

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Used references: Ascomycete Fungi of North America

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