Top 20 Edible Mushrooms Popular in Iowa City

1. Golden oyster

The golden oyster(Pleurotus citrinopileatus) can be distinguished from other mushrooms by an iridescent butter-yellow cap that matures into the color of sunshine. As the color intensifies, the cap also becomes more brittle, making it very difficult to handle. The golden oyster is a delicious species that is highly desirable for culinary uses.

2. Dryad's saddle

A familiar sight to spring morel hunters, dryad's saddle is noteworthy for its large size, striking scales, and watermelon-like smell. Similar to other mushrooms in the bracket fungi family, dryad's saddle can be used to make paper. Younger mushrooms are better suited for this purpose due to their smaller and more consistent fibers.

3. Chicken of the woods

Chicken of the woods is very noticeable in hardwood forests, appearing in clusters on standing tree trunks in bright orange and yellow hues that sometimes last through the entire winter. It is a parasite that causes an unfortunate brown heart rot, and is considered a particularly troublesome pest of Yew trees. If the fruitbodies can be seen, the tree is likely already beyond saving.

4. Pear-shaped puffball

The mushrooms of this species grow in such tight clusters that they may cover fallen trees and stumps almost entirely in a brownish, puffy coat. Pear-shaped puffballs appear all around the northern hemisphere on decaying hardwoods from fall through winter.

5. Giant puffball

These distinctive round, white fungi appear around the world in fields and at the edges of wooded areas. Living up to its name, a single giant puffball can grow as large as a watermelon. They have no stems, and produce trillions of spores that release into the air through holes in “puffs.” They have been used as slow-burning tinder and produce copious smoke when set aflame. Giant puffballs are technically edible, but should only be consumed when the mushroom is young and firm.

6. 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.”

7. Common puffball

These puffy mushrooms grow in small groups on the forest floor. Once they're mature, common puffballs turn yellow and "puff out" smoke-like spore clouds when disturbed. Be very careful when identifying these mushrooms, as their young, immature form looks very similar to the lethal Deathcap.

8. Snow fungus

Snow fungus (Tremella fuciformis) is so-named not because it is associated with winter, but, rather, because its fruitbodies look like little piles of snow fungus on the ground. This fungus actually inhabits very warm - tropical and subtropical - locations around the globe. Snow fungus does not have much taste, but it is cultivated for culinary use across East Asia, where it is often added to thicken soups and desserts.

9. Enoki

The enoki grows wild on dead elm trees, and is also cultivated for human use. This flavorful species (Flammulina velutipes) has been used in dishes around the world for generations, being particularly high in nutrients. Though store-bought enoki are often plain white, wild ones can be found in a range of colors.

10. Blewit

The blewit mushroom grows in fallen leaves in autumn and winter, sometimes appearing in ‘fairy ring’ circles. It can be used to make a green dye when chopped and boiled in an iron pot. The scientific name, Lepista nuda, derives from Latin words meaning “bare goblet,” a reference to the shape and texture of the mushroom.

11. Oyster mushroom

Oyster mushrooms grow wild but are also cultivated for sale in supermarkets. They can even be cultivated at home. They will grow on coffee grounds and spent grain, and are occasionally even fashioned into an environmentally-friendly substitute for styrofoam. There are several toxic look-alike species, so it is best to buy these mushrooms at the store.

12. Black-footed polypore

This inedible fungus grows on fallen wood and stumps of deciduous trees. Black-footed polypores have the ability to remain through the winter, as they rot very slowly after releasing their spores. They are thus appreciated for providing a bit of visual interest in winter landscapes.

13. Coral tooth fungus

Coral tooth fungus (Hericium coralloides) is a species of coral mushroom most frequently sighted on dead or decaying hardwoods. Generally, younger specimens are white and become increasingly yellowish as they mature. Found around the world, the Māori refer to this species as pekepekekiore.

14. Elm oyster

As its common name suggests, the elm oyster(Hypsizygus ulmarius) is most commonly found fruiting on elm trees. Its scientific name references its tendency to position itself in the higher points of any individual tree. The fruit bodies may grow alone or in small clusters of two or three, and rarely more.

15. Scarlet cup

One of the first mushrooms to appear in the spring, the scarlet cup sometimes pops out of snow. Definitely a cool-season mushroom, the scarlet cup also prefers areas with high rainfall. It forms large colonies and it's very abundant. Slugs and various rodents like to feed on this mushroom.

16. Deer mushroom

The deer mushroom is can be found sprouting up from rotting logs, branches, and roots, and while it may have a preference for hardwoods it isn't very picky. Unlike many other mushroom species, the fruitbodies can be found blooming across a wide range of seasons. They have a faint, radish-like odor.

17. Wine cap stropharia

These large mushrooms have distinctive red caps when young, but the color soon fades to brown as they mature. Rare in the wild, wine cap stropharia are highly regarded among foragers as a desirable edible mushroom. Discard any specimens with holes in the stalk or caps, as flies use them to lay eggs. They are also cultivated.

18. Hen-of-the-woods

Often found at the base of oak trees, this clustered fungus grows in distinctive rosettes. It attacks the roots of living hardwood trees. Hen-of-the-woods is considered edible when harvested young, and is cultivated in Japan on top of compressed sawdust.

19. Scaly lentinus

Scaly lentinus(Neolentinus lepideus) may be found alone or in groups along dead or decaying pieces of timber. Due to its ability to colonize even chemically treated wood, including railroad tracks, it has been given the nickname "train wrecker." Due to inconsistent reports of safety, consumption is discouraged.

20. Indigo milk cap

This gorgeous species is unlike any other. The indigo milk cap, a member of the often-drab russula family, is deep blue in color. Like other milk caps, it bleeds a latex-like substance when cut or damaged, but instead of the usual white this species bleeds deep blue.

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