Pseudopeziza medicaginis (Lib.) Sacc.
no common name
Dermateaceae
Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.
Introduction to the Macrofungi
no common name
Dermateaceae
Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.
Introduction to the Macrofungi
Photograph
Species Information
Summary:
Features include minute, ochraceous brown disc-shaped fruitbodies seated on nearly round yellowish spots on living and dying leaves of Medicago, Trigonella, and Melilotus, and microscopic characters. The description is derived from Seaver(2). Schuepp treats this as a forma specialis of P. trifolii (Dennis(1)).
Microscopic:
spores 8-11 x 4-6 microns, ovoid, colorless, simple, biseriate; asci 8-spored, reaching a length of 75-80 microns and a width of 10 microns, subcylindric, narrowed in upper part, with stem; paraphyses filiform-clavate
Notes:
Pseudopeziza medicaginis is found throughout North America or wherever the hosts Medicago, Trigonella and Melilotus are grown. There are collections from BC, OR, and CO deposited at University of British Columbia.
Habitat and Range
Habitat
on living or dying leaves of species of Medicago (medick), Trigonella and Melilotus (sweet clover)
Synonyms
Synonyms and Alternate Names:
Phacidium medicaginis Lib.