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Viscid boletus

Aureoboletus flaviporus

A species of Aureoboletus

The viscid boletus (Aureoboletus flaviporus) is a vibrant little bi-colored mushroom that pops from the leaf litter under oaks in late fall to winter. As the name suggests, this mushroom has very sticky, almost mucus-like secretion, distinguishing it from other boletes. It has a very acidic flavor and is not suitable for consumption.

Cap Diameter:

5 - 12 cm

Odor:

Mildly mushroomy but not distinctive.

General Info About Viscid boletus

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Attributes of Viscid boletus

Cap Diameter

5 - 12 cm

Height

6 - 15 cm

Cap

Cap 6 - 11 cm across; convex; cinnamon-brown to reddish-brown; surface viscid, innately fibrillose to reticulate; margin incurved, wavy

Cap Shape

Convex

Cap Surfaces

Fibrillose-scaly, Slimy or slightly sticky

Stem

Stem 6 - 12 cm long, 1 - 2 cm thick; white to flushed reddish-brown; surface viscid, smooth to uneven

Stem Shapes

Tapering

Stem Surfaces

Smooth

Flesh

Moderately thick; white

Ring

Ringless

Spore Print Color

Olive-brown

Odor

Mildly mushroomy but not distinctive.

Body Color

Brown

Yellow

Red

White

Flesh Bruises

The flesh or milk does not discolor when bruised or cut.

Growth Form

Solitary, Scattered

Nutrient Gathering

Mycorrhizal

Substrate

On soil

You can find Viscid boletus by these plants:

Pines, Oaks

Occurence Habitats

Deciduous Woodland

Species Status

Least Concern

Endangered Species

How to Identify Viscid boletus

Fruiting Body Cap Pores

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Habitat of Viscid boletus

The viscid boletus is endemic to the west coast of North America and it grows in mixed forests. It forms a symbiotic relationship with the roots of oaks and the Pacific madrone (Arbutus menziesii). The two species exchange vital nutrients. Its fruitbodies can be found growing under these trees or near their roots.

Scientific Classification of Viscid boletus

Phylum

Club fungi

Class

Mushroom-forming fungi

Order

Boletes and allies

Family

Boletes

Genus

Aureoboletus

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Tips for Finding Viscid boletus

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What are the Ideal Soil Conditions for Viscid boletus

Well-drained soil, rich in organic matter.

What are Some Tips for Finding Viscid boletus

Focus on regions beneath oak and madrone trees, as viscid boletus have an affinity for these environments.
Inspect the bases of trees and nearby ground, as viscid boletus typically grow close to the trunk.
Look for well-drained locations where the soil is rich with decomposing natural material.
Use a soft brush to gently remove debris or leaves that may hide viscid boletus specimens.
Conduct searches in areas with scattered sunlight that facilitates the growth of viscid boletus.

How to Clean and Preserve Viscid boletus

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Common Questions People Also Ask

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