Amanita magniverrucata, commonly known as the pine cone amanita, or great pine jewel, is a species of agaric mushroom in the family Amanitaceae.
It was first described scientifically by American mycologists Harry Delbert Thiers and Joseph Ammirati in 1982.
It is a whitish mushroom. The cap is typically up to wide with dark scales. The gills are very close. The stem is about long. The smell is mild but unpleasant in age and the spore print is white. While its edibility is unknown, it may be poisonous, as are other Amanitas in the same subgroup.
Although there are a number of lookalike species, its large warts are a distinguishing feature.
It is mycorrhizal and associates with the tree Pinus radiata (the Monterey pine).