Top 20 Most Common Mushrooms in Oregon

1. Fly agaric

In Northern Asia and Europe, fly agaric grows under trees near the winter solstice and is collected for ritual use tied to the season. Its characteristic shape and coloring are still ubiquitous in many European fairy tale illustrations and Christmas traditions. It is highly toxic.

2. Turkey tail

The distinctively-striped turkey tail fungus grows on stumps and logs all over the forests of the northern hemisphere. It is, in fact, probably the most common species you will find. That doesn't mean this mushroom is plain, however; each cap is uniquely patterned. Look for bands of alternating textures as well as color.

3. Dyer's polypore

This shelf fungus grows annually on living coniferous trees and may kill its host if left untreated. As the name suggests, dyer's polypore can be used to produce dye for yarn in a variety of shades from yellow to orange to brown, depending on the age of the mushroom used and also the type of metal it’s processed in. It is not considered edible.

4. Questionable stropharia

The questionable stropharia is an odd-looking species that thrives in rich, wet soils along the western coast of North America. The species sports a shiny, yellow-brown cap with a white partial veil that looks almost as though it is dripping off the cap. "Questionable" is a fair title for this species, about which there are conflicting reports on edibility. Most experts recommend staying on the safe side and avoiding eating this mushroom.

5. Split gill

Split gill(Schizophyllum commune) can be found across the globe. Uniquely, it is the only mushroom species known to display the capability to retract by movement. It is considered inedible, although not necessarily toxic. Furthermore, it is not recommended to smell this species, as the spores are capable of sprouting and growing in nasal passages.

6. Red-belted polypore

Red-belted polypore is a shelf fungus that's usually seen on aspen, birch, and various conifer trees. This perennial mushroom is known to cause the cubical brown rot in host trees. A species new to science, it was named in honor of Irene Mounce, a Canadian mycologist.

7. Candlesnuff fungus

The bizarre shape of the candlesnuff fungus (Xylaria hypoxylon) is one that you'll never forget. Finger-like growths explode from decaying wood, and look more like stalagmites or antlers than they do mushrooms. The shaft is black at the base, fading dramatically to bright white at the tip.

8. Toothed jelly fungus

This whimsically-named mushroom has a global distribution and a unique appearance. Toothed jelly fungus has a white, translucent - almost spectral - coloration and sports little downward pointing "teeth" on the underside of its cap. Although its toothed underside may scream "hedgehog mushroom", it is actually a member of a separate genus (Pseudohydnum, as opposed to Hydnum).

9. Oakmoss

Evernia prunastri grows shrubby on trees. The yellow-green lichen grows up to 10 cm. It consists of up to five millimeters wide shrubby branched bands with a light underside. At the edges of these open dusty (Sorale). Apothecias (with shiny brown disc) are rarely formed.

10. Sulphur tuft

The sulphur tuft grows on rotting wood of all types of trees; it is a particularly efficient decomposer of hardwoods. The mushrooms appear from spring to autumn and are often so tightly packed that they interfere with each other’s shape. This poisonous mushroom can cause temporary paralysis, distorted vision, and stomach pain if consumed.

11. Shaggy mane

The shaggy mane mushroom is commonly found in North American and European grasslands. Some peoples foraged for its young egg-shaped caps, but it has more recently been found to be a bioaccumulator of heavy metals, meaning it pulls toxic metals up from the soil where it grows. As a result, shaggy manes should not be eaten. The mushrooms usually appear in clusters or “fairy rings.”

12. Tree lungwort

Tree lungwort is a green lichen that can be found in humid areas of North America, Europe, and Asia. It grows regularly on trees, rocks, and in urban areas rich with moss. It can be used as a dye. Animals may consume tree lungwort or use it as nesting material.

13. Small stagshorn

The small stagshorn is a jelly fungus that's easily overlooked due to its small size, although it can be seen at any time of the year. It's a moisture-loving fungus that occurs promptly after heavy rains. Even when it seems dead and dried, it will regain its shape when soaked with rain.

14. Fluted bird's nest

Fluted bird's nest is easy to identify with its vase-shaped, shaggy, and grooved cup that is filled with egg-like structures that make the whole fungus look like a bird's nest. This cup acts as a splash cup, meaning when it is hit by a drop of rainwater, the "eggs" are ejected up to three feet away and stick onto wherever they land.

15. Orange peel fungus

The aptly-titled orange peel fungus (Aleuria aurantia) forms fruitbodies that strongly resemble peeled-off rinds of oranges. The species has an irregular folded shape and boasts a bright orange hue. Orange peel fungus usually grows directly out of soil and can be found across temperate regions of North America, Europe, and a few parts of Chile.

16. Veiled polypore

If you've ever gone on a walk through the woods where dead conifers are present, there's a good chance you've seen a veiled polypore. The fungus' name comes from the fact that it's pores are "veiled" by a rounded piece of tissue. Indeed, rather than growing in sheet-like formations like other polypores, the veiled polypore can be nearly spherical. These mushrooms are especially prevalent in pine stands that have been ravaged by fire or beetles.

17. Yellow stainer

The yellow stainer grows across North America and Europe and has been imported to Australia. It can be distinguished from other common white mushrooms by the bright chrome yellow color it turns when bruised. It is known to be poisonous, causing cramps, nausea, and purging. Unfortunately, it often gets accidentally eaten as it looks similar to several edible white mushrooms.

18. Western elfin saddle

The western elfin saddle (Helvella vespertina) has a striking, brain-shaped cap that becomes even more fissured as it ages. They appear and flourish amidst the leaf litter on forest floors in the western United States. The shape of the cap makes it a wonderful hiding place for insects, especially millipedes.

19. Heath navel

The heath navel (Lichenomphalia umbellifera) is technically a lichen. Lichen are composite organisms that consist of both fungi and algae, which live together symbiotically. In the case of the heath navel, the fungus is an agaric mushroom, and the algae are a species of Coccomyxa that live in small structures at the base of the agaric's stalk.

20. Mica cap

The bell-shaped mica cap mushrooms grow in clusters on wood debris and stumps, from spring to autumn. The caps appear wet and inky once they mature and begin to release spores. At that point, they can be boiled with cloves to create a useful black ink.

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