May Queen, York, Rome Beauty, and Ida Red are all species of what?

While there are over 7,000 varieties of apples in the world, you will only typically find 5 or 6 types in your local supermarket. The Red Delicious, Golden Delicious, Granny Smith, Gala, Fuji, and McIntosh dominate the market. Many apples can not remain fresh long enough for extensive shipping, and of the varieties that can, the trees do not provide much fruit. The apples that you find in the supermarkets of today, are the exception.