If you know what a mushroom looks like, but not know it's ID, you can use this list to identify it. The mushrooms are grouped by family, so closely related mushrooms are listed together. If you click on a caption, the details regarding that mushroom is shown. Size: 1 to 12 inches tall. Season: can be found in the springtime. They resemble a mutated mushroom that has partially closed up or "trufflized", with primitive remnants of a cap, gills and stem still visible if you slice the mushroom in half. Click on the pictures to enlarge them. Gills: gills not apparent. Mushroom identification help. Stalk: The cap and tan colored stalk are joined and the mushroom is hollow. https://www.mushroom-appreciation.com/identify-mushrooms.html Agaricus arvensis. "Secotioid" or "Gastroid" gilled mushrooms are found on the gastroid page. Agaricus augustus. Most have lost their ability to drop spores. The cap has a wavy honeycomb look to it with darker brown holes throughout the entire cap. Spores: It does not have a sac at the stalk's base. Don't bother to try and take a spore print. Cap: brown cap is round to oval or conical.