Hemlock Varnish Shelf

ganoderma tsugae

The Hemlock Varnish Shelf is a colorful mushroom that grows on trees! It looks like a shiny, varnished shelf and can come in various shades of brown and red.

Habitat: It lives on decaying wood, especially on hemlock trees in forests.

Appearance

The Hemlock Varnish Shelf is a striking, shelf-like fungus with a glossy cap that looks like it has been varnished, typically reddish-brown and often featuring a bright white or yellowish margin. Its surface feels hard and woody, distinguishing it from softer bracket fungi.

KingdomFungiPhylumBasidiomycotaClassAgaricomycetesOrderPolyporalesFamilyPolyporaceaeGenusGanoderma

Photo: RattBoyCC BY-SA 3.0 · Wikimedia CommonsView original ↗

Hemlock Varnish Shelf

Interesting facts

It can live for many years, sometimes showing growth rings like a tree.

It creates a rust-colored dust of spores that can cover everything underneath it.

Its shiny top feels like a hard, polished wood, not a soft, squishy mushroom!

This fungus sometimes 'weeps' clear liquid droplets from its surface!

Special abilities

Hemlock Varnish Shelf has a tough, glossy cap that helps them shed water and resist damage from insects and weathering.

Hemlock Varnish Shelf can break down dead trees because of special enzymes, returning vital nutrients to the forest floor.

Hemlock Varnish Shelf can release millions of microscopic, rust-colored spores that help them spread to new trees.

Measurements & details

Height: 3-15 cm
Edible: inedible
Size: 5-25 cm
Growth Substrate: wood
Season: Year-round
Spore Color: Rust-brown

Ecological connections

Depends on

Eastern Hemlock

Tsuga canadensis

Grows as a decomposer or weak parasite.

Depends on

Red Spruce

Picea rubens

Can also be found on other conifer species.

Eats

Leopard Slug

Limax maximus

Slugs may occasionally graze on the surface.

Traits

Solitary

Solitary animals live alone for most of their lives, only interacting with others for mating or parental care.

Arboreal

Arboreal animals live primarily in trees, utilizing them for shelter, food, and protection from predators.

Colorful

Colorful describes organisms or objects displaying a wide range of bright and distinct colors.

Decomposer

Describes organisms that break down dead organic material, recycling nutrients back into the ecosystem.

Forest

Forest habitats are terrestrial environments dominated by dense tree cover, supporting a high diversity of plant and animal life.

Also known as

Hemlock Shelf MushroomShiny Hemlock FungusTsuga Varnish

Collections

Fungi

Safety

Danger

0/5 · No known danger

No special safety notes yet.

Frequently Asked Questions

How to identify Hemlock Varnish Shelf?

Compare the cap shape, the underside, the stem and base, and whether the fungus grows on wood or soil. Some fungi have gills, others pores or teeth. A cap seen only from above often hides the most useful features. Mushroom Identifier: upload a photo and compare the visible details.

How tall is Hemlock Varnish Shelf?

3-15 cm

Is Hemlock Varnish Shelf edible?

inedible

How big is Hemlock Varnish Shelf?

5-25 cm

Where is Hemlock Varnish Shelf usually found?

It lives on decaying wood, especially on hemlock trees in forests.

What does Hemlock Varnish Shelf grow on?

wood

When is Hemlock Varnish Shelf in season?

Year-round