≡ Lactarius gerardii Peck
Pileus expanded or centrally depressed, dry, rugulose-wrinkled, often with a minute umbo or papilla, sooty-brown, the thin spreading margin sometimes wavy or irregular; lamellae broad, distant, decurrent, white, the interspace uneven; stem equal, solid, colored like the pileus; flesh and spores white; taste mild; milk white and unchangeable. Plant 3'-5' high, pileus 2'-4' broad, stem 4"-6" thick. Ground in woods and groves. Poughkeepsie, W. R. Gerard. Albany and Croghan. September.
Holotypus: Gerard & Peck (syntypes) (NYS)
Lectotypus: leg. Gerard in Peck (labeled 'first type') (NYS)
Published type studies: Hesler & Smith (1979), N. Amer. Spec. Lactarius: 112
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