A "baby" porcini mushroom sold at the Adelaide Central Market is taking the internet by storm due to its unusual size.
On sale at the Mushroom Mans Mushroom Shop within the market, the mushroom weighs over two kilograms and is bigger than a human head.
After taking around four to five days to mature, the sizable fungi is thought to have reached its immense proportions due to near-perfect conditions.
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Grown locally in the Adelaide Hills, the mushroom is fast becoming a viral celebrity in its own right.
"All this needs is a knob of butter, right?" asks one Facebook user.
"Gosh! What a whopper!" wrote another as one remarked how the mushroom was less of a "baby" and more of a "geriatric".
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Famous for their nutty flavour, porcini mushrooms are a staple in many Italian dishes.
The typical porcini mushroom grows to a moderate size with a rounded cap sized between seven and 30 centimetres – although this beast is proof they can get far bigger.