Ringless Honey Mushroom

Desarmillaria caespitosa

Edible when well cooked

Also called ringless honey fungus, armillaria tabescens, desarmillaria tabescens.

The ringless honey mushroom grows in big clusters at the base of oaks and on stumps and buried roots, often in lawns. Long called Armillaria tabescens, it looks like the honey mushroom without a ring and is regularly confused with the jack-o'-lantern, which fruits in the same places.

A dense cluster of tan ringless honey mushrooms with scaly caps at the base of a tree

The tell

Large clusters of dry, honey-brown caps at the base of hardwoods, with no ring on the stem and a white spore print.

Field marks

What to look at

Cap, underside and stem show in a photo. The spore print does not, and it is often the deciding check.

Cap
Convex, flattening with age, 1 to 4 inches across. Dry, honey yellow to tan or brownish, with small darker scales concentrated at the center.
Underside
Gills attached or running slightly down the stem, fairly close. Whitish at first, becoming pinkish to brownish with age.
Stem
Long, tough and fibrous, tapering toward the base, with many stems fused together in a cluster. No ring at any age. Whitish above, brownish below.
Flesh
Whitish to pale brown, thin in the cap and tough in the stem. Smell mild.
Spore print
White.
Size
Cap 1 to 4 inches (3 to 10 cm); stem 3 to 8 inches (8 to 20 cm) tall.

Where and when

Where and when it grows

Habitat
At the base of living and dead hardwoods, especially oaks, on stumps, and from buried roots in lawns and yards where trees once stood. It is a root parasite as well as a decomposer.
Grows on
Wood: roots, stumps and the bases of hardwood trees.
Season
Late summer through fall.
Range
Eastern North America, from about the Great Lakes south, west to Texas and Oklahoma.

Edibility

What the field guides say

Edible when well cooked

Field guides list the ringless honey mushroom as edible when thoroughly cooked. As with the honey mushroom, guides record gastrointestinal upset when it is eaten raw or undercooked, and in some people even after cooking. The jack-o'-lantern, a frequent confusion, causes severe gastrointestinal poisoning.

This page states what field guides record. It is not advice to eat, taste or handle anything, and a photo cannot settle edibility. If someone has eaten a wild mushroom that may be toxic, call poison control (1-800-222-1222 in the US) right away, before symptoms start: the deadliest species act hours later.

FAQ

Questions about the ringless honey mushroom

Is the ringless honey mushroom edible?

Field guides list it as edible when thoroughly cooked. Raw or undercooked specimens cause stomach upset, and some people react even when it is well cooked.

What is the difference between honey mushroom and ringless honey mushroom?

The ringless honey mushroom never has a ring on its stem, while the honey mushroom has a ring near the top. The ringless species also has a drier cap and grows from about the Great Lakes south, often at the base of oaks.

How do you tell ringless honey mushroom from jack-o'-lantern?

Both are ringless and grow in clusters at tree bases. The jack-o'-lantern is bright orange throughout, including the flesh and gills, while the ringless honey mushroom has a honey-brown cap, whitish to pinkish gills and pale flesh.

Sources

Where these facts come from

  1. Armillaria tabescens

    MushroomExpert.com

  2. Desarmillaria tabescens

    Fungi Growing on Wood, Gary Emberger (MushroomExpert.com)

  3. Ringless Honey Mushroom

    Missouri Department of Conservation

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