Peniophora rufa - Red Tree Brain Fungus

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Tracy Wazny

Norwood, Canada

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Sizing Information

Small 8.0" x 10.7"
Medium 12.0" x 16.0"
Large 16.0" x 21.3"
X large 20.0" x 26.7"

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  • Superior quality silver halide prints
  • Archival quality Kodak Endura paper
  • Lustre: Professional photo paper with a fine grain pebble texture
  • Metallic: Glossy finish and metallic appearance to create images with exceptional visual interest and depth

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Artist's Description

Peniophora rufa

[ Basidiomycetes > Russulales > Peniophoraceae > Peniophora . . . ]

by Michael Kuo

Peniophora rufa is a distinctive crust fungus that forms small, bright red, cushion-shaped structures on the dead but still bark-covered branches and trunks of aspens, including quaking aspen and big-toothed aspen. Although a microscope is probably not needed in order to identify Peniophora rufa successfully, the fungus has fascinating microscopic features, including prominent gloeocystidia.

Description:

Ecology: Saprobic and apparently sometimes pathogenic on the wood of aspens (quaking aspen and big-toothed aspen), and occasionally on the wood of other hardwoods; erupting through the still-attached bark; spring, summer, and fall; fairly widely distributed where the host trees are present (northern and montane North America).

Fruiting Body: Resupinate; usually growing in patches of cushion-shaped individual fruiting bodies measuring up to about 1 cm across and 2 mm high; surface waxy, wrinkled, red to orange-red when fresh (sometimes with a whitish dusting), becoming purplish with age.

Flesh: Hard; whitish to grayish.

Spore Print: White.

Microscopic Features: Spores 6-9 × 2-3 µ; smooth; cylindrical to sausage-shaped; inamyloid. Basidia 4-sterigmate. Gloeocystidia pear-shaped to clavate; 10-25 µ across. Cystidia cylindric to fusiform; scarcely projecting; 5-8 µ wide; with encrusted apices. Hyphal system monomitic. Clamp connections present.

REFERENCES: (Fries, 1828) Boidin, 1958. (Saccardo, 1888; McKay & Lentz, 1960; Chamuris, 1988; Lincoff, 1992; Evenson, 1997; Barron, 1999; McNeil, 2006.) Herb. Kuo 05230506; DBG RMNP 2008-006.

.
Havelock Ontario Canada. March 28th 2010

Artwork Comments

  • Martina Fagan
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