Hydnellum peckii

Bleeding Tooth Fungus Foraging & Identification Guide

The Bleeding Tooth Fungus (Hydnellum peckii), also known as the Devil's Tooth or Strawberries and Cream, is a highly famous, strikingly bizarre, and completely inedible mycorrhizal wild fungus native to coniferous forests in North America and Europe. Celebrated globally for its astonishing and macabre appearance, the young, velvety white cap actively exudes brilliant, glistening droplets of thick, blood-red sap through a process called guttation. Beneath its cap, it features tiny, downward-pointing tooth-like spines instead of gills, making it an incredibly photogenic and legendary subject in the world of mycology.

Environment Conifer Pine Forests

Humidity High Humidity (70-80%)

Substrate / Host Sandy Soil / Pine Root Symbiosis

Size 5cm - 10cm

Category Inedible

Botanical macro photography of Bleeding Tooth Fungus (Hydnellum peckii) - Plant AI care database

How to Identify Bleeding Tooth Fungus

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Key Visual Features: Young specimens have a soft, velvety, lumpy, whitish-pink cap that exudes startling droplets of bright red, blood-like liquid (guttation). As the mushroom matures, the cap turns a dull, dark brown, and the bleeding completely stops, making it look like a very ordinary brown woodland mushroom.
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Spore Print & Gills/Pores: Completely lacks gills and pores. The underside is densely packed with tiny, fragile, downward-pointing teeth (spines) that are pale pinkish-white when young and turn brown with age. Spore print is brown.
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Common Confusions: When young and 'bleeding,' it is absolutely unmistakable. Mature, brown specimens look very similar to other Hydnellum species (like Hydnellum diabolus), which also have teeth and brown caps. While not highly toxic, its flesh is so tough, corky, and agonizingly peppery-bitter that it is strictly considered inedible.

💡 Plant AI Tip: 🔴 Extreme Bitterness: While not chemically toxic, it is considered completely inedible due to its extremely intense, agonizingly bitter and acrid taste. Even a tiny lick of the blood-red sap will cause a burning sensation in your mouth!

Detailed Mycology Profile & Foraging Guide

Follow our detailed scientific field guide and environmental parameters to identify and study Bleeding Tooth Fungus safely.

Forms strict mycorrhizal relationships with coniferous trees, particularly Pine and Spruce. Fruits on sandy conifer forest soils rich in moss and pine needles from summer to autumn.

Requires high humidity and wet forest soil. The spectacular 'bleeding' reaction is a pressure process (guttation) stimulated by high water absorption in damp weather.

Thrives in shaded coniferous forests, sheltered by pine canopies. Partial shade helps protect the velvety white cap from drying out.

No gills. The cap is irregular, velvety white-to-brown. Underside is covered in tiny, dense, pinkish-brown tooth-like spines.

Produces a brown spore print. Spores disperse from the tooth-like spines, inoculating nearby spruce and pine rootlets.

Flesh is tough, fibrous, corky, dark brown. Stem is short, thick, woody, lacking a ring or volva.

Do not harvest. Foragers leave them in place to photograph their spectacular bleeding droplets. Never ingest any parts of this fungus.

Inedible. It is extremely tough, corky, and has an incredibly intense, repulsive bitter-acrid taste that cannot be removed.

Rich in atromentin, a unique organic chemical showing strong natural anticoagulant (blood-thinning) and antibacterial properties in laboratory tests.

CRITICAL WARNING: Extremely unique! Young specimens are unmistakable due to their velvety white cap weeping blood-red drops. Do not confuse with the Bleeding Hydnellum (Hydnellum diabolus) which is very similar and also bleeds red, but has a stronger, unpleasant sweetish-spicy odor.

The red fluid is exuded via guttation. When the mushroom grows rapidly, its root-like mycelium absorbs water under high pressure, forcing excess moisture out of the microscopic pores on top as thick, sticky, pigment-rich red droplets.

Common Look-alikes & Foraging Danger

Droplet Loss & Browning (Aging)

Symptoms: Slicing the mature cap shows a dry, tough, solid brown-to-black woody body with no red droplets left.

Action: This is natural aging. The bleeding guttation only occurs in young, active specimens. As the fungus matures, it turns into a dry, tough, corky brown bracket. Proceed with photography only.

Soggy Mold

Symptoms: The velvety white cap turns gray-green, soggy, and is covered in fine white mold threads.

Action: Discard heavily decayed specimens. Excessively wet autumn weather can cause older bleeding teeth to decay and grow mold. Protect the area from foot traffic.

Frequently Asked Questions

Why does the mushroom 'bleed'?

This process is called guttation. When the soil is very damp, the mushroom's mycelium absorbs water under high pressure. To release this pressure, the mushroom forces excess water out of the pores on its cap, which mixes with red pigments inside to form sticky, blood-red droplets.

Is the red liquid real blood?

No. The red liquid is a sap or latex rich in pigments and atromentin, a natural compound with powerful anticoagulant (blood-thinning) properties similar to heparin.

Is the Bleeding Tooth Fungus poisonous?

It is not known to be chemically poisonous to humans. However, it is considered completely inedible because it is as tough as cork and has an incredibly intense, burning, and acrid bitter taste.

What are the spines underneath the cap?

Instead of traditional gills or pores, this mushroom belongs to the tooth fungi family. It has thousands of tiny, downward-pointing, needle-like spines (teeth) that produce and release the brown spores.