
Porcini
Boletus edulisIts cap can reach 30 cm across, and the fruit body can weigh 3 kg.
Field Guide · Chapter 29 of 29
Swipe across, tap a card to turn it over, then scroll down its back. Try Look closer on a front, spin a globe, and lift the question on a park sign.

Its cap can reach 30 cm across, and the fruit body can weigh 3 kg.

Its cultivation was written down in China in 1209, so growers have kept it for centuries.

Its threads may get nitrogen by killing and eating nematodes.

It can turn black and dissolve itself within hours of being picked.

Young ones can be eaten, which sets it apart from many shelf fungi.

Unlike most mushrooms, every spore forms inside the fruiting body.

A stinkhorn can push up through asphalt.

A shiny, fan-shaped mushroom that may show six colors.

It can grow on living trees too, usually in association with a wound.

A lichen is a fungus, a green alga and a cyanobacterium living as one body.
Every photograph and every outline comes from a real, openly licensed image, credited at the bottom of its card. Only plain charts are drawn.
The words on these cards are written by AI from the sources named on each card. Software matched every number and claim to a sentence in those sources. Mistakes are still possible, so follow a card's links before relying on it.
Globe dots are real recorded sightings from GBIF. Where a card says native range only, they are clipped to that range. Otherwise they can include zoos, gardens and places the species was introduced.