10g (0.35oz.) biologically dried mycelium on grain seeds, ready for growing outdoor in a non-sterile environment. 1 packet is recommended for a mushroom bed of 80x80cm (30x30 in.)Edible mushroom. The cap is 3 to 6 cm wide and evenly covered in fine grey scales. Convex with a slight boss, it is broadly conical in shape. The whitish stipe has no ring. Gills are free (unattached to the stipe). In spite of the appearance of being tarnished, this mushroom has a mild flavor, and is considered a good edible. Grey Knight may be useful in helping to open lung airways.