Conifer Blueing Bracket

Description:

Scientific name: Oligoporus caesius (Schrad.: Fr.) Gilbn. & Ryv. Derivation of name: Oligoporus means "with few or small pores"; caesius means "bluish gray." Synonymy: Polyporus caesius Schrad.: Fr. Common names: Blue cheese polypore. Phylum: Basidiomycota Order: Polyporales Family: Polyporaceae Occurrence on wood substrate: Saprobic; solitary on decaying deciduous and conifer wood; August through November. Dimensions: Caps 1-8 cm wide Upper surface: Whitish with grayish-blue tints, bruising blue; hairy to glabrous. Pore surface: White to bluish, bruising bluish; pores 3-6 per mm. Edibility: Inedible. Comments: Odor fragrant. This polypore is soft, watery and spongy when fresh. ( http://www.messiah.edu/Oakes/fungi_on_wo... )

Habitat:

location: North America, Europe edibility: Inedible fungus colour: White to cream, Blue normal size: 5-15cm cap type: Other stem type: Lateral, rudimentary or absent flesh: Flesh discolours when cut, bruised or damaged spore colour: White, cream or yellowish habitat: Grows in woods, Grows on wood Tyromyces caesius (Schrad. ex. Fr.) Murr. syn. Polyporus caesius Schrad. ex Fr. New syn. Postia caesia Blauender Saftporling. Bracket 1–6cm across, 1–4cm wide, 0.3–1cm thick, single or in overlapping groups, semicircular; upper surface covered in fine long hairs, whitish, grey-blue with age or where handled. Tubes 0.5–4.5mm long, white later grey-blue. Pores 3–4 per mm, circular, white at first more grey or grey-blue with age. Spores white with grey-blue tint, sausage-shaped, amyloid, 4–5 x 0.7–1.0um. Hyphal structure monomitic; generative hyphae appearing glassy in KOH, and with clamp-connections. Habitat on dead conifers, especially spruce. Season all year, annual. Occasional. Not edible. Distribution, America and Europe ( http://www.rogersmushrooms.com/gallery/D... )

Notes:

( http://www.mykoweb.com/CAF/species/Oligo... ), ( http://www.mycobank.org/MycoTaxo.aspx?Li... ), ---- (syn: Tyromyces caesius; Oligoporus caesius; Spongiporus caesius, Polyporus c., ......)