≡ Lactarius corrugis Peck
Pileus fleshy, compact, firm, convex, then expanded or centrally depressed, merulioid or corrugated with gyrose-reticulate wrinkles, dark reddish-brown or chestnut-colored, becoming paler with age, suffused as if with a slight pruinosity; lamellae close, dark creamy-yellow or sub-cinnamon, becoming paler, often distilling drops of moisture, sordid or brownish where bruised; stem equal, solid, firm, paler then the pileus, sub-pruinose; spores large, subglobose, .00045-0.0005 in diameter, intermixed with small acicular points or spicules, . 0016-.002' long; flesh whitish or cream-colored, milk copious, white, mild.
Holotypus: Peck (NYS)
Published type studies: Montoya et al., Mycotaxon 57: 441-442 (1996)
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