Lactarius atroviridis (Lactarius atroviridis)

Lactarius atroviridis Sticky, pock-marked snarky green cap with darker green spots arranged concentrically over the marginal half. Margin was inrolled. Pale pink gills with white latex that turned greenish upon exposure to air. Stem was similar to the cap.

Habitat: Growing on the ground in a small cluster in a mixed forest with mostly oak, eastern hemlock, and pine.
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Appearance

Cap: 3-15 cm; convex becoming planoconvex with a central depression; dry, or sticky in wet weather; pock-marked and rugged, sometimes smoother over the disc; various shades of green, often with darker green spots arranged concentrically over the marginal half; the margin inrolled.

Gills: Attached or beginning to run down the stem; close; pale pinkish; often bruising and staining greenish to brownish; frequently with green tints on the edges of mature gills; short-gills frequent.

Stem: 2-8 cm long; 1-2.5 cm thick; equal or tapering to the base; slimy when fresh, but soon dry; with many potholes; colored and textured like the cap; becoming hollow with age.

Flesh: Whitish to pale pinkish.

Milk: Fairly copious; creamy white; sometimes becoming greenish on exposure to air.

Distribution

Widely distributed east of the Mississippi River, with a range extending at least as far south as Costa Rica.

Habitat

Mycorrhizal with oaks (but sometimes reported under conifers); growing alone or gregariously; summer and fall

References:

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https://www.mushroomexpert.com/lactarius_atroviridis.html

Taxonomy
Kingdom	Fungi
Division	Basidiomycota
Class	Agaricomycetes
Order	Russulales
Family	Russulaceae
Genus	Lactarius
Species	Lactarius atroviridis

Photographed in
United States of America