Ciboria amentacea (Balb.) Fuckel
catkin cup
Sclerotiniaceae
Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.
Introduction to the Macrofungi
catkin cup
Sclerotiniaceae
Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.
Introduction to the Macrofungi
Photograph
Species Information
Summary:
Ciboria amentacea forms light brown to yellow brown cups with stems, growing on fallen catkins of alder and willow. Hansen, L.(1) give this species as synonym of Ciboria caucus (Rebent.: Fr.) Fuckel, and Seaver says they are close.
Microscopic:
spores 9-13 x 4-5 microns, elliptic or somewhat elliptic; asci 8-spored, uniseriate, reaching 110-120 x 7-10 microns, cylindric or somewhat cylindric; paraphyses 1-2 microns wide, thread-like, slightly enlarged in upper part, (Seaver), spores 7.5-13 x 4-6 microns (Arora), spores 7.5-10.5 x 4.5-6 microns, elliptic or slightly inequilateral, uniseriate; asci 8-spored, reaching 135 x 9 microns, pore blued by iodine; paraphyses up to 5 microns thick at top, cylindric, (Dennis)
Notes:
It is found from NY to OR, and in Europe, (Seaver). There are collections from BC at the University of British Columbia.
Habitat and Range
SIMILAR SPECIES
Ciboria caucus is an "almost indistinguishable species on fallen catkins of Populus", (Dennis).Habitat
on mummified catkins of Alnus incana and Salix discolor (Seaver), "solitary or in small groups on old, fallen alder and willow catkins", usually fruiting in the spring, (Arora), on fallen male catkins of Alnus and Salix, (Dennis)
Status Information
Synonyms
Synonyms and Alternate Names:
Gloeoporus adustus (Willd.) Pilat
Hymenoscypha amentacea W. Phillips
Peziza amentacea Balb.
Polyporus adustus (Willd.) Fr.
Rutstroemia amentacea P. Karst.