Division Length of stalk
United Kingdom
The length of the stalk is measured:
-
from the gills under the cap for open and flat mushrooms,
-
from the veil for closed and veiled mushrooms.
Sizing is compulsory for mushrooms in ‘Extra’ Class according to following table, mushrooms of Classes I and II having to meet the specified size ranges if the terms ‘small’, ‘medium’ or ‘large’ are indicated:
| Closed, veiled and open mushrooms | |||
|---|---|---|---|
| Diameter of cap | Maximum length of stalk | ||
| Size | Size limits | Cut mushrooms | Uncut mushrooms |
| Small | 15-45 mm | 1/2 of cap diameter | 2/3 of cap diameter |
| Medium | 30-65 mm | ||
| Large | 50 mm and over | ||
| Flat mushrooms | |||
|---|---|---|---|
| Diameter of cap | Maximum length of stalk | ||
| Size | Size limits | Cut mushrooms | Uncut mushrooms |
| Small | 20-55 mm | 2/3 of cap diameter | |
| Large | 50 mm and over | ||