Pseudodiscina melaleucoides

Coll. AP 5099
© A. Parker

Pseudodiscina melaleucoides (Seaver) X.C. Wang & W.Y. Zhuang, Microbiol. Spectrum 11 (3): 12 (2023).

Basionym Peziza melaleucoides Seaver, N. Amer. Cup-fungi (Operc.): 225 (1928).

Diagnosis Apothecia sessile or short-stipitate, reaching a diameter of 10 cm., cup-shaped, becoming somewhat repand, usually whitish near the base, brownish above or occasionally with a lavender tint; stem when present lacunose, very short; hymenium concave, often umbilicate, becoming dark-brown or tinted with olive; asci cylindric or subcylindric, reaching a length of 250 µ, and a diameter of 12-15 µ; spores 1-seriate, ellipsoid, each containing two oil-drops, 10 × 14 µ, hyaline or subhyaline, becoming sculptured; spore-sculpturing consisting of minute papillae; paraphyses about 4 µ, in diameter below, enlarged above where they reach a diameter of 8 µ, filled with brown coloring matter.
On the ground or more often on rotten wood in coniferous woods.
Type collected by Dr. L. O. Overholts at Tolland, Colorado, June, 1914.

Type ex herb. Seaver (NY) - holotypus

Homotypic Gyromitra melaleucoides (Seaver) Pfister, Mycologia, 72 (3): 615 (1980).

Synonyms
Gyromitra recurva (Snyder) Harmaja, Karstenia, 18: 57 (1978).
Paxina recurvum Snyder, Mycologia, 28 (5): 487 (1936), fide Pfister (1980).

MycoBank 571038

Literature

Abbott S.P., Currah R.S. 1997. The Helvellaceae: systematic revision and occurrence in Northern and Northwestern North America. Mycotaxon, 62: 1-125.
Dirks A.C, Methven A.S., Miller A.N., Orozco-Quime M., Maurice S., Bonito G., Van Wyk J., Ahrendt S., Kuo A., Andreopoulos W., Riley R., Lipzen A., Chovatia M., Savage E., Barry K., Grigoriev I.V., Bradshaw A.J., Martin F.M., Arnold A.E., James T.Y. 2025. Phylogenomic insights into the taxonomy, ecology, and mating systems of the lorchel family Discinaceae (Pezizales, Ascomycota). Molecular Phylogenetics and Evolution, 205: 1-19.
Harmaja H. 1978. New species and combinations in Helvella and Gyromitra. Karstenia, 18 (2): 57.
Harmaja H. 1979. Gyromitra esculenta and G. recurva a noteworthy species of western North America. Karstenia, 19 (2): 46-49.
Methven A.S., Zelski S.E., Miller A.N. 2013. A molecular phylogenetic assessment of the genus Gyromitra in North America. Mycologia, 105 (5): 1306-1314.
Pfister D.H. 1980. On "Peziza" melaleucoides — a species of Gyromitra from the western United States. Mycologia, 72 (3): 614-619.
Seaver F.J. 1928. The North American Cup-Fungi (Operculates).
Snyder L.C. 1936. New and unusual Discomycetes of Western Washington. Mycologia, 28 (5): 483-488.
Tylutki E.E. 1979. Mushrooms of Idaho and the Pacific Northwest.
Van Vooren N., Moreau P.A. 2009. Essai taxinomique sur le genre Gyromitra Fr. sensu lato (Pezizales). 5. Le genre Gyromitra Fr., sous-genre Melaleucoides. Ascomycete.org, 1 (3): 11-13.
Wang X.C., Yang Z.L., Chen S.L., Bau T., Li T.H., Li L., Fan L., Zhuang W.Y. 2023. Phylogeny and taxonomic revision of the family Discinaceae (Pezizales, Ascomycota). Microbiology Spectrum, 11 (3): 1-20.

Classification: Discinaceae, Pseudodiscina

Created on 29/05/2015.

Updated on 11/02/2025.

Distribution

Legend: Typus <1950 1950→1980 >1980

Pseudodiscina melaleucoides

Distribution

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