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Gigasperma is an inactive genus of fungi in the order Agaricales with a single species. It was treated either as the only genus in the monotypic family Gigaspermataceae, or part of the wider Cortinariaceae. Gigasperma was circumscribed by Austrian mycologist Egon Horak in 1971.

Taxonomy

No species remain within this genus since Gigasperma cryptica was reclassified as Thaxterogaster crypticus in 2022.

Synonyms

• Gigasperma americanum Kropp & L.J. Hutchison, 1996 = Cryptolepiota americana (Kropp & L.J. Hutchison) Kropp & Trappe, 2012
• Gigasperma clelandii (Rodway) E. Horak, 1971 = Horakiella clelandii (Rodway) Castellano & Trappe, 1992

See also

• List of Agaricales families
• List of Agaricales genera

References

1. "Gigaspermaceae Jülich 1981". MycoBank. International Mycological Association. Retrieved 2012-03-14.
2. Kirk PM, Cannon PF, Minter DW, Stalpers JA (2008). Dictionary of the Fungi (10th ed.). Wallingford, UK: CAB International. p. 282. ISBN 9780851998268.
3. "Cortinariaceae R. Heim ex Pouzar, Česká Mykol. 37: 174 (1983)". Species Fungorum. CAB International. Retrieved 2012-03-14.
4. Horak E. (1971). "Contributions to the knowledge of the Agaricales s.l. (Fungi) of New Zealand". New Zealand Journal of Botany. 9 (3): 463–93. Bibcode:1971NZJB....9..463H. doi:10.1080/0028825X.1971.10430194.
5. Liimatainen, Kare; Kim, Jan T.; Pokorny, Lisa; Kirk, Paul M.; Dentinger, Bryn; Niskanen, Tuula (2022-01-01). "Taming the beast: a revised classification of Cortinariaceae based on genomic data". Fungal Diversity. 112 (1): 89–170. doi:10.1007/s13225-022-00499-9. hdl:2299/25409. ISSN 1878-9129.
6. Mycobank Cryptolepiota americana
7. Mycobank Horakiella clelandii

External links

• Gigasperma americanum at Species Fungorum
• Gigasperma cryptica at Species Fungorum

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• Cortinariaceae
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• Taxa named by Egon Horak
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