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Conifer Blueing Bracket
postia caesia
50.8843, 5.98617
Field Notes
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_wood/poroid%20fungi/species%20pag… )
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/DisplayBlock~bid~6904~gid~~sourc… )
Notes:
( http://www.mykoweb.com/CAF/species/Oligoporus_caesius.html ), ( http://www.mycobank.org/MycoTaxo.aspx?Link=T&Rec=438906 ), ----
(syn: Tyromyces caesius; Oligoporus caesius; Spongiporus caesius, Polyporus c., ......)
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