Armillaria ostoyae

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

Ecology: Parasitic and saprobic on the wood and roots of conifers and, less frequently, hardwoods (especially aspens and birches within conifer forests); causing a root rot; typically growing in dense clusters; summer and fall; originally described from France (Romagnesi 1970); widespread in Europe. The illustrated and described collection is from France.

Cap: 4-8 cm; convex at first, becoming broadly convex; dry or slightly moist; orangish brown to pinkish brown underneath small, brown to dark brown scales; the margin sometimes becoming finely lined.

Gills: Beginning to run down the stem; close; short-gills frequent; white or whitish when young and fresh, developing pinkish hues and/or reddish brown spots and discolorations.

Stem: 6-15 cm long; 0.5-1 cm thick; tapered to base; whitish to brownish, becoming darker brown or olive toward the base; finely hairy with brownish fibrils; with a well-developed whitish ring that may feature a brown edge; with yellowish mycelium near the base; attached to long black rhizomorphs that run through the wood.

Flesh: Whitish, becoming pinkish brown with maturity; unchanging when sliced.

Odor and Taste: Odor not distinctive; taste mild to slightly bitter.

Spore Print: White.

Microscopic Features: Spores 8-10 x 4-6 m; ellipsoid; smooth; hyaline in KOH; inamyloid. Basidia 33-35 x 6-8 m; clavate; often basally clamped; 4-spored. Cheilocystidia lageniform; thin-walled; hyaline in KOH. Pleurocystidia not found. Pileipellis a cutis; brownish in KOH; elements 5-10 m wide, smooth.

#mushrooms #fungi #mycology #shrooms #mushtodon #sporespondence #floraspondence

Lactarius badiosanguineus

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

Ecology: Mycorrhizal with spruces, firs, and perhaps other conifers; summer and fall; in North America reported from Newfoundland (Malloch, 2010) and, here, from Colorado.

Cap: 2-8.5 cm; broadly convex with an inrolled margin when young; becoming flat, shallowly depressed or shallowly vase-shaped; greasy to dry; shiny; bald; deep brownish red to reddish brown; evenly colored to the margin; without zones of color.

Gills: Attached to the stem or beginning to run down it; close or crowded; pale orange or yellowish, becoming dull cinnamon with age; not bruising.

Stem: 3-9 cm long; up to 1.5 cm thick; more or less equal; dry; without potholes; colored like the cap, but paler.

Flesh: Whitish to pinkish; not changing when sliced.

Milk: White; unchanging; not staining white paper yellow.

Odor and Taste: Odor not distinctive; taste mild or slowly, slightly acrid.

Spore Print: Cream.

Chemical Reactions: KOH negative on cap surface.

Dried Specimens: Dried caps and stems are dark brown, without any trace of red; gills are dull orange.

Microscopic Features: Spores 7-9 x 5.5-7 ; broadly ellipsoid; ornamentation 0.5-1 high, as amyloid warts and connecting lines that form distinct stripes and subreticulate patterns. Pleuromacrocystidia abundant and prominent; subcylindric to subfusiform; to about 100 x 10 . Cheilocystidia scattered and inconspicuous; subcylindric to subfusiform; to about 40 long. Pileipellis an oedotrichoderm, slightly gelatinized.

#mushrooms #fungi #mycology #shrooms #mushtodon #sporespondence #floraspondence

Russula queletii

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

Ecology: Mycorrhizal with conifers, especially spruces and 2-needled pines; growing alone, scattered, or gregariously; summer and fall; widely reported in western and northern North America. The illustrated and described collection is from northern California.

Cap: 3-8 cm; convex or bell-shaped when young, becoming broadly convex, flat, or shallowly depressed; sticky at first or when wet; bald; dark blackish purple when young, becoming deep purple or brownish purple (sometimes also reported with greenish shades mixed in); the margin lined by maturity; the skin peeling easily 1/2-2/3 to the center.

Gills: Broadly attached to the stem or just beginning to run down it; close; white to creamy.

Stem: 3-8 cm long; 1-2 cm thick; pale to dark purple or pinkish purple; bald or slightly hairy; sometimes staining yellow at the base.

Flesh: White; unchanging when sliced.

Odor and Taste: Odor not distinctive, or sometimes sweetish and slightly fruity; taste acrid.

Dried Specimens: Cap and stem retaining purple shades; gills dull yellowish.

Chemical Reactions: KOH on cap surface reddish orange. Iron salts pale pink on stem surface.

Spore Print: White to creamy.

Microscopic Features: Spores 7-9 x 5-6 ; ellipsoid; with isolated amyloid warts to 1 high; connectors scattered and rare. Pleuro-and cheilomacrocystidia cylindric to fusiform; hyaline in KOH; abundant; to about 75 x 12 . Pileipellis an ixotrichoderm; pileocystidia abundant, cylindric to subclavate, ochraceous-refractive in KOH and positive in sulphovanillin.

#mushrooms #fungi #mycology #shrooms #mushtodon #sporespondence #floraspondence

RE: https://mastodon.social/@tippitiwichet/115682421578964345

Hey #mycology peeps. Or #gardening peeps branching into #mushrooms You want to use this footage? Yes, you may. Might appreciate a shout out in the credits.

#fungiFriday #shroom

Hypsizygus tessulatus

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

Ecology: Saprobic; usually growing in clusters of two or three; widely distributed in eastern and northern North America, and sometimes reported from the Rocky Mountains and the West Coast; fall. The illustrated and described collections are from Michigan and Québec.

Cap: 4-8 cm; convex, becoming broadly convex with a slightly inrolled margin; dry; bald; whitish to buff or very pale tan; sometimes "tessulated" with watery spots when fresh and young.

Gills: Attached to the stem; close; short-gills frequent; whitish; not bruising.

Stem: 3-8 cm long, 1-2 cm thick; equal or slightly club-shaped; dry; bald or very finely silky; whitish to very pale tan.

Flesh: Firm; white; unchanging when sliced.

Odor and Taste: Odor not distinctive, or slightly mealy; taste not distinctive.

Chemical Reactions: KOH on cap surface negative.

Spore Print: White to buff.

Microscopic Features: Spores 4-5 m; subglobose; smooth; hyaline in KOH; inamyloid. Lamellar trama parallel. Basidia 4-sterigmate. Hymenial cystidia not found. Pileipellis a cutis; elements 2-4 m wide, often clamped, smooth, hyaline in KOH.

#mushrooms #fungi #mycology #shrooms #mushtodon #sporespondence #floraspondence

Tubaria furfuracea

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

Ecology: Saprobic; growing gregariously, usually on deadwood or woody debris; often found in urban settings in mulch, wood chips, or disturbed ground, but also found in woods on or around decaying logs and stumps; more likely to appear in winter or spring, but also appearing in summer and fall; originally described from Germany (Schaeffer 1772); widespread in Eurasia, North America, and Oceania; reported from Central America, South America, and southern Africa. The illustrated and described collections are from California, Illinois, Kentucky, and Ohio.

Cap: 1-4 cm across; convex at first, becoming broadly convex or nearly flat; moist or dry; brown to cinnamon brown, fading to dull brownish or nearly buff; more or less bald, but when fresh usually adorned with whitish partial veil fibrils and remnants, especially in the marginal half; the margin not lined, or only faintly so.

Gills: Broadly attached to the stem; close or nearly distant; short-gills frequent; pale brownish to brownish yellow at first, becoming darker brown; edges faintly whitish at maturity.

Stem: 2-5 cm long and 1-4 mm thick; more or less equal; usually at least slightly fibrillose to fibrillose-scaly; whitish to brownish or brown; occasionally with a poorly defined, ephemeral ring zone but without a true ring; basal mycelium white.

Flesh: Brownish to whitish; insubstantial; unchanging when sliced.

Odor: Not distinctive, or slightly fragrant.

Chemical Reactions: KOH on cap surface negative or grayish.

Spore Print: When fresh brownish yellow to cinnamon brown; dried prints are brown to cinnamon brown.

Microscopic Features: Spores 6.5-9.5 x 4-5.5 m; ellipsoid, with a tiny apiculus but without a pore; smooth; pale brown to dull yellowish in KOH, with multiple droplets; inamyloid; occasionally collapsing in both KOH and Melzer's mounts. Basidia 25-35 x 4-6 m; clavate; 4-sterigmate. Cheilocystidia 30-70 x 8-12.5 m; cylindric, with apices usually capitate but sometimes clavate, subclavate, or merely rounded; smooth; thin-walled; hyaline in KOH. Pleurocystidia not found. Pileipellis a cutis; elements 5-15 m wide, smooth or slightly brownish-encrusted, hyaline to brown in KOH. Clamp connections present.

#mushrooms #fungi #mycology #shrooms #mushtodon #sporespondence #floraspondence

#AI could help win ‘race against #extinction’ of vital #plants, say botanists | Plants | The Guardian

The headline mentions plants but the article is also about #Fungi, which aren’t plants.

https://www.theguardian.com/environment/2026/jun/16/ai-could-help-win-race-against-extinction-of-vital-plants-say-botanists

#Science #Biology #Botany #Mycology

AI could help win ‘race against extinction’ of vital plants, say botanists

Tech is helping to identify and save new specimens and could open ‘genomic goldmine’ of fungi data

The Guardian

Ramaria fennica

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

Ecology: Mycorrhizal with hardwoods; growing alone, scattered, or gregariously; summer and fall; apparently widely distributed in eastern North America.

Fruiting Body: 5-12 cm high; 7-8 cm wide; base well developed; branching repeatedly.

Branches: Vertically oriented and elongated; smooth; purplish below; olive yellow to yellow or smoky yellowish above, becoming grayish to orangish or brownish as the spores mature; tips concolorous.

Base: Usually well developed; to 5 cm wide; white below; lilac to purple above.

Flesh: Whitish, often with watery areas; firm.

Odor and Taste: Odor not distinctive; taste usually bitter, or reminiscent of sauerkraut.

Spore Print: Yellowish to orangish.

Chemical Reactions: Iron salts green on branches; KOH red on branches.

Microscopic Features: Spores 8.5-12 x 3.5-5.5 ; subfusoid to stretched-elliptical; roughened; yellowish in KOH. Clamp connections present.

#mushrooms #fungi #mycology #shrooms #mushtodon #sporespondence #floraspondence

Climacodon septentrionalis

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

Ecology: Parasitic on hardwoods, especially green ash, sugar maple, and beech; growing in large shelf-like clusters in the wounds of living trees, or on recently dead stumps or trunks; summer and fall; northeastern North America, south to Kentucky and Tennessee and west to the Great Plains.

Caps: Up to 30 cm across and 5 cm thick at the base; convex, flat, or shallowly depressed; kidney-shaped or semicircular in outline; sticky or dry; hairy or roughened; whitish, becoming yellowish with age; sometimes with fine concentric zones of texture.

Undersurface: Spines 1-2.5 cm long; tightly packed; white at first, becoming yellowish with age.

Stem: Absent, but caps often share a whitish basal plate.

Flesh: White; tough; unchanging when sliced; zoned.

Odor and Taste: Taste mild when young, but bitter or unpleasant in age; odor not distinctive, becoming foul with age.

Spore Print: White.

Microscopic Features: Spores 4.5-5 x 2-2.5 ; smooth; ellipsoid; inamyloid. Cystidia fusoid to mucronate; thick-walled; often encrusted. Hyphal system monomitic. Clamp connections present.

#mushrooms #fungi #mycology #shrooms #mushtodon #sporespondence #floraspondence

oliver | -= anonsys.net =-