Lentinellus montanus
| Lentinellus montanus | |
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| Scientific classification | |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Russulales |
| Family: | Auriscalpiaceae |
| Genus: | Lentinellus |
| Species: | L. montanus |
| Binomial name | |
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Lentinellus montanus O.K.Mill. (1965) |
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Lentinellus montanus is a species of agaric fungus in the family Auriscalpiaceae. It is found at high elevations in the Pacific Northwest region of North America, where it fruits singly or in clumps on decaying conifer wood.
The species was officially described by American mycologist Orson K. Miller in 1965. The type collection was made in McCall, Idaho on June 26, 1963.
The fruit bodies of Lentinellus montanus are sessile, meaning that they lack a stipe and grow directly on the substrate. The shell-shaped to fan-shaped cap measures 4–11 cm (1.6–4.3 in) in diameter. It is dark brown to red brown in color, except for the margins, which are light cinnamon to pale pinkish-buff. It is moist (but not sticky), somewhat hairy to shaggy in the center of the cap but smooth elsewhere. Gills are broad, somewhat distantly spaced, and interspersed with long lamellulae (gills that do not extend completely from the stipe to the cap margin). They have coarsely serrated edges, and a color ranging from white with purplish tints initially to buff in maturity. The tough flesh is light brown and 1–4 mm thick, with a mild to slightly aromatic odor and a mild to somewhat acrid taste.The mushrooms are inedible.
Fruit bodies produce a cream to buff spore print. The spores are egg-shaped to roughly spherical, thick-walled, shell-shaped to fan-shaped, and measure 4.5–6.5 by 4–5 µm. Blunt spikes cover the spore surface. Basidia (spore-bearing cells) are club-shaped, four-spored, and measure 20–47 by 5.2–8 µm.
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