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Cudoniella clavus (Alb. and Schwein.) Dennis
Life   Fungi   Ascomycota   Helotiaceae   Cudoniella

Cudoniella clavus var grandis
© Copyright Malcolm Storey 2011-2118 · 3
Cudoniella clavus var grandis

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Cudoniella clavus var grandis
© Copyright Malcolm Storey 2011-2118 · 3
Cudoniella clavus var grandis
Cudoniella clavus var grandis
© Copyright Malcolm Storey 2011-2118 · 3
Cudoniella clavus var grandis

Cudoniella clavus var clavus
© Copyright Malcolm Storey 2011-2118 · 3
Cudoniella clavus var clavus
Cudoniella clavus var clavus
© Copyright Malcolm Storey 2011-2118 · 3
Cudoniella clavus var clavus

Cudoniella clavus var clavus
© Copyright Malcolm Storey 2011-2118 · 3
Cudoniella clavus var clavus
Cudoniella clavus var clavus
© Copyright Malcolm Storey 2011-2118 · 3
Cudoniella clavus var clavus

Cudoniella clavus var clavus
© Copyright Malcolm Storey 2011-2118 · 3
Cudoniella clavus var clavus
Cudoniella clavus var clavus
© Copyright Malcolm Storey 2011-2118 · 3
Cudoniella clavus var clavus

Cudoniella clavus var clavus
© Copyright Malcolm Storey 2011-2118 · 3
Cudoniella clavus var clavus
Cudoniella clavus var clavus
© Copyright Malcolm Storey 2011-2118 · 3
Cudoniella clavus var clavus

Cudoniella clavus var clavus
© Copyright Malcolm Storey 2011-2118 · 3
Cudoniella clavus var clavus
Cudoniella clavus var clavus
© Copyright Malcolm Storey 2011-2118 · 3
Cudoniella clavus var clavus

Cudoniella clavus var clavus
© Copyright Malcolm Storey 2011-2118 · 3
Cudoniella clavus var clavus
Cudoniella clavus var clavus
© Copyright Malcolm Storey 2011-2118 · 3
Cudoniella clavus var clavus

Hosts · map
FamilyScientific name @ source (records)
Poaceae  Phragmites sp @ BPI (1)
_  Substrate @ BPI (2)

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California Fungi—Cudoniella clavus Cudoniella clavus © Michael Wood -- Click for Larger Image
(Photo: © Michael Wood)

Cudoniella clavus (Alb. & Schwein.) Dennis
Persoonia 3(1): 73. 1964.

Common Name: none

Synonym: Peziza clavus Alb. & Schwein.

  • Ascocarp

    Fruiting body a stipitate ascocarp; apothecia 3.0-6.0 (10.0) mm broad, at first obtuse-conic to turbinate, in age convex to nearly plane; margin lacking hairs, plane to decurved at maturity; hymenium glabrous, moist, cream to dull-brown, slightly darker at the center; outer surface glabrous, colored like the hymenium; stipe 1.0-2.0 cm long, 1.0 mm thick, enlarged towards the apex, watery-white, becoming dark-brown to blackish towards the base; surface slightly tomentose (use hand lens); odor and taste not distinctive.

  • Spores

    Spores 9.5-17.5 x 3.5-4.5 µm, oblong-cylindrical to subfusiform, smooth; spore deposit not seen.

  • Habitat

    Solitary to gregarious on rotting stems of grasses and herbs in boggy montane meadows; fruiting in the spring shortly after snow melt; common, but rarely collected because of its size.

  • Edibility

    Edibility unknown; insignificant.

  • Comments

    Cudoniella clavus is a small stipitate cup fungus sometimes confused with Sclerotinia veratri when found fruiting on the remains of Corn Lily ( Veratrum spp.) It differs, however, in its typically smaller size, convex to nearly plane, not cupulate, apothecium, and the lack of a sclerotium at the base of the stipe. Other stipitate Ascomycetes found on plant debris in the spring include species of Dasycyphus and Hymenoscyphus . These generally differ either in color or size, often less than 2 mm.

  • References

    Breitenbach, J. & Kr√§nzlin, F. (1984). Fungi of Switzerland. Volume 1: Ascomycetes. Verlag Mykologia: Luzern, Switzerland. 310 p.
    Dennis, R.W.G. (1981). British Ascomycetes. J. Cramer: Vaduz, Liechtenstein. 585 p.
    Desjardin, D.E., Wood, M.G. & Stevens, F.A. (2015). California Mushrooms: The Comprehensive Identification Guide. Timber Press: Portland, OR. 560 p.
    Medardi, G. (2006). Ascomiceti d'Italia. Centro Studi Micologici: Trento. 454 p.

  • Other Descriptions and Photos Main Photo

    (D=Description; I=Illustration; P=Photo; CP=Color Photo)

The Fungi of California
Copyright © 2004-2019 Michael Wood & Fred Stevens
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Cudoniella+clavus&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Fungi ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Cudoniella+clavus&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Fungi

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Number of matches : 4
Query: SELECT * FROM img WHERE ready=1 and taxon like "Cudoniella clavus%" and (lifeform != "specimen_tag" OR lifeform != "Fungi") ORDER BY taxon

Click on the thumbnail to see an enlargement

Cudoniella clavus
Cudoniella clavus
Water Fairie Mushroom
ID: 0000 0000 1114 0698 [detail]
© 2014 Chris Wagner

Cudoniella clavus
Cudoniella clavus
Water Fairie Mushroom
ID: 0000 0000 1114 0697 [detail]
© 2014 Chris Wagner

Cudoniella clavus
Cudoniella clavus
Water Fairie Mushroom
ID: 0000 0000 1114 0699 [detail]
© 2014 Chris Wagner

Cudoniella clavus
Cudoniella clavus
Water Fairie Mushroom
ID: 0000 0000 1114 0700 [detail]
© 2014 Chris Wagner

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