Plectania melastoma
Jb. nassau. Ver. Naturk. 23-24: 323. 1870.
Common Name: none
For description see Carbone et al., Castellano et al., Nagasawa & Nakanishi & 'California Mushrooms'.
Solitary to scattered, often among mosses on well-rotted conifer wood especially in mossy Sitka spruce forests; uncommon, fruiting in spring in coastal conifer forests.
Unknown.
Plectania melastoma can be distinguished by small black cups with granulose, rusty orange external surface, large ellipsoid-subfusoid spores, and growth on rotten, often moss-covered conifer wood. Plectania milleri is similar, but its black external surface that lacks orange granules. Pseudoplectania nigrella also forms small cupulate fruitbodies, but they are entirely black, sessile, have globose spores, and usually grow on soil.
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