Ciboria caucus (Rebent.) Fuckel
no common name
Sclerotiniaceae

Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.

Introduction to the Macrofungi

Photograph

Once images have been obtained, photographs of this taxon will be displayed in this window.Click on the image to enter our photo gallery.
Currently no image is available for this taxon.


Map

E-Flora BC Static Map

Distribution of Ciboria caucus
Click here to view the full interactive map and legend

Species Information

Summary:
Ciboria caucus forms brown cups with stems, growing on fallen catkins of Populus. Hansen, L.(1) give C. amentacea (Balb.) Fuckel as a synonym of this species.
Microscopic:
spores 9-10 x 5-6 microns, elliptic or somewhat elliptic, colorless; asci 8-spored, reaching 130 x 9 microns, cylindric-clavate, (Seaver), spores 7.5-10(11.5) x 4.5-6 microns (Hansen)
Notes:
It is from found NY to OR and MB, as well as in Europe, (Seaver), and according to Kanouse from WA. There is collection from BC at the Pacific Forestry Centre.

Habitat and Range

SIMILAR SPECIES
Ciboria amentacea is similar if not a synonym, but grows on alder and willow.
Habitat
arising from mummified sclerotium in fallen catkins of Populus tremuloides and Salix, (Seaver), on catkins of Populus, Salix, and Alnus, exceptionally Corylus, fruiting in spring and early summer, (Hansen)

Synonyms

Synonyms and Alternate Names:
Hymenoscypha caucus W. Phillips
Peziza caucus Rebent.
Phialea caucus Gillet
Pustularia cupularis (L. ex Fr.) Fuckel