Mycoscout How to identify a parasol mushroom
The parasol is one of the largest gilled mushrooms in Europe: a drumstick-shaped button on a tall stem that opens into a flat, scaly umbrella with a small central bump. It grows in grassy places at woodland edges from midsummer to late autumn. First Nature lists it as a choice edible, and so does the Missouri Department of Conservation (MDC), with caution. The caution is real: two lookalikes are poisonous and one group is deadly, so parasol mushroom identification means checking every feature below, including the spore print.
| Feature | Parasol (Macrolepiota procera) |
|---|---|
| Cap | 10–25 cm at maturity (First Nature); 5–20 cm (MushroomExpert.com); 3–8 in (MDC). Spherical and pale brown at first; the darker brown crown breaks into scales as the cap expands to nearly flat with a central umbo. |
| Gills / underside | Free from the stem, broad, crowded, white to pale cream. They do not turn green. |
| Stem & base | Up to 30 cm tall, 1–1.5 cm thick (First Nature); 10–20 cm (MushroomExpert.com). Smooth and pale with small brown scales in bands, a "snakeskin" pattern. Bulbous base about 2.5 cm across, but no sac or cup. Tough and fibrous, sometimes hollow. |
| Ring | Large, thick, double-edged; persists but becomes loose and slides up and down the stem. |
| Flesh | White, soft, with no significant colour change when cut (First Nature). |
| Spore print | White or very pale cream. |
| Smell | Not distinctive. |
| Habitat | Woodland clearings, grassy areas beside woods, permanent pasture, stable sand dunes, trail edges; rarely gardens. Usually single or in small scattered groups, sometimes in rings. |
| Season | July–November in Britain and Ireland, later in southern Europe. June–October in Missouri; late summer across North America. |
| Range | Common in southern Britain and Ireland, less so in northern England and Scotland; most of mainland Europe. In North America, MushroomExpert.com notes that true M. procera is Eurasian and that many "procera-like" collections east of the Rockies are undescribed relatives. |
Confirm these features
- Cap fully open at least 10 cm across, better 12 cm or more; First Nature warns that anything smaller needs very careful checking against the dapperlings.
- Brown snakeskin banding on a tall, slender stem.
- A thick double ring you can slide up and down the stem.
- Bulbous base with no sac, cup or volva when you dig it up whole.
- Flesh stays white when cut; no reddening or orange staining.
- White spore print from a mature cap, never green or brown. The spore print guide explains how.
Why one feature is never enough: a movable ring and a bulbous base are shared by several species, including deadly ones. The snakeskin stem is the parasol's best single feature, but the green-spored parasol is separated by its spore print and the dapperlings by their size. Check all six, on every specimen, not on one from the group.
Dangerous look-alikes
Green-spored parasol, false parasol (Chlorophyllum molybdites)
Tell apart: mature gills grey-green to greenish brown and a green spore print; stem smooth and whitish without snakeskin; big and white in lawns, often in fairy rings. Young ones have white gills, so only the print settles it. See the green-spored parasol page and parasol vs false parasol.
Risk: poisonous. The University of Florida IFAS Extension calls it the most common cause of mushroom poisoning in the United States and names confusion with the true parasol as the usual cause: severe vomiting and diarrhea 1 to 2 hours after eating. The sources we checked do not document it as established in the UK.
Shaggy parasol (Chlorophyllum rhacodes)
Tell apart: smaller cap (5–15 cm), with larger, coarser reflexed scales; stem white tinged red-brown with no snakeskin pattern; flesh and gills turn red when cut or bruised; white to pale cream print.
Risk: First Nature reports that it has caused serious illness in some people and advises against collecting it to eat, although many guides list it as edible. Sources disagree, so treat it with caution.
Dapperlings (Lepiota brunneoincarnata, L. subincarnata, L. cristata and relatives)
Tell apart: small. The deadly dapperling has a cap of 2.5 to 6 cm, pinkish-brown scales in rough rings, a stem 2.5 to 5 cm tall, and a faint woolly ring low on the stem; the stinking dapperling (L. cristata) is 2 to 6 cm with a rubbery smell. First Nature's rule: if what you believe to be parasols are under 10 cm across when open, check very carefully. Never eat a small "parasol".
Risk: deadly. L. brunneoincarnata and L. subincarnata contain amatoxins, the same toxin group as the death cap (NAMA). A French case report describes amatoxin poisoning after dapperlings were eaten in place of Macrolepiota procera. NAMA gives a delay of 6 to 24 hours before symptoms; First Nature notes several deaths in recent years.
Death cap and other Amanitas at the button stage (Amanita phalloides)
Tell apart: a young parasol is a brown egg on a snakeskin stem; a young death cap is a smooth, greenish or white egg in a white sac. Dig the base up whole: a volva means Amanita.
Risk: deadly, with the same delayed amatoxin pattern.
Where and when it grows
In Britain and Ireland the parasol is a saprobe of grassy edges: woodland clearings, verges beside woods, permanent pasture and stable sand dunes, from July to November, common in the south and scarcer in the north (First Nature). Across mainland Europe it is one of the best-known autumn edibles, fruiting later in the south. In the US, MDC records it statewide in Missouri along trails, in open woods and old pastures from June to October, sometimes in rings. MushroomExpert.com adds that it is widely distributed but far more common east of the Rocky Mountains, and that the North American material is mostly undescribed relatives of the European species. The deadly dapperlings share the season and sometimes the habitat: L. brunneoincarnata fruits July to November in broadleaf and mixed woodland and occasionally dune grassland.
Before you eat any
Both sources that list the parasol as edible attach conditions. MDC says to take a spore print, be absolutely sure of the identification, and eat only a small amount the first time in case of a reaction. First Nature says to avoid small specimens because of the dapperlings, and its parasol page goes further than its shaggy parasol page, calling the shaggy parasol, which many books call edible, "poisonous" for "a large percentage of people". Cook it; no source here describes eating it raw. Then confirm the find with a local mycological society or an experienced forager in person. The how to tell if a mushroom is poisonous guide explains why size, a ring or a pleasant smell are never enough on their own.
Using an app to check a find
A photo can show an app the scaly cap, the umbo, the double ring and, if you photograph the stem close up, the snakeskin pattern. It cannot show the spore print, which separates the parasol from the green-spored parasol, and it is poor at true size, which separates it from the dapperlings. Mycoscout leads with the edibility verdict, shows its confidence, and names the look-alikes to rule out, so you know to take a print and measure the cap before anything else. It is a field companion, not a clearance to eat.
Frequently asked questions
Is the parasol mushroom edible?
First Nature and the Missouri Department of Conservation both list it as a choice edible, with caution. The caution is the look-alikes: the poisonous green-spored parasol has a green spore print, the shaggy parasol upsets some people, and small dapperlings (Lepiota) can be deadly. Verify every feature, take a spore print, and confirm with a local expert before eating any.
Parasol mushroom vs false parasol: what is the difference?
The false (green-spored) parasol has gills that turn grey-green and a green spore print; the parasol's gills stay white to cream and its print is white. The parasol's stem has a brown snakeskin pattern and is tall and slender; the false parasol's is smooth and whitish. A spore print is the reliable test, because young false parasols still have white gills.
How big is a parasol mushroom?
Large. First Nature gives a cap of 10 to 25 cm and a stem up to 30 cm; the Missouri Department of Conservation gives a cap of 3 to 8 inches. First Nature warns that a 'parasol' with a cap under 10 cm when fully open should be checked very carefully, because the deadly dapperlings are that size.
Where do parasol mushrooms grow?
In woodland clearings, grassy areas beside woods, permanent pasture, trail edges and stable sand dunes, usually singly or in small scattered groups. July to November in Britain and Ireland; June to October in Missouri. True Macrolepiota procera is a Eurasian species; many North American 'parasols' are undescribed relatives (MushroomExpert.com).
Sources
How we checked this page: the Mycoscout team cross-checked every edibility, toxicity and look-alike statement against the sources below on October 31, 2026. It has not been reviewed by a mycologist.
- Macrolepiota procera, Parasol, First Nature. Accessed October 31, 2026.
- Parasol Mushroom (Macrolepiota procera), Missouri Department of Conservation. Accessed October 31, 2026.
- Macrolepiota procera, MushroomExpert.com (Michael Kuo). Accessed October 31, 2026.
- Chlorophyllum rhacodes, Shaggy Parasol, First Nature. Accessed October 31, 2026.
- Lepiota brunneoincarnata, Deadly Dapperling, First Nature. Accessed October 31, 2026.
- The Green-Spore Poison Parasol Mushroom, Chlorophyllum molybdites (PP324), University of Florida IFAS Extension. Accessed October 31, 2026.
- Mushroom poisoning syndromes, North American Mycological Association. Accessed October 31, 2026.
- Intoxication phalloïdienne par consommation de Lepiota brunneoincarnata, Annales Françaises d'Anesthésie et de Réanimation (via EM-consulte). Accessed October 31, 2026.
