There has been a lot of discussion concerning lemons.
Just for interest, look how many varieties that exist of just the Eureka Lemon
Allen variegated Eureka lemon
Allen-Newman Eureka lemon
Amber Eureka lemon
Blanchard Eureka lemon
Cascade Eureka lemon (CRC 2703)
Cascade Eureka lemon (CRC 3498)
Cook Eureka lemon
Corona Foothill Eureka lemon
Frost nucellar Eureka lemon
Old line Eureka lemon
Ross Eureka lemon
Taylor Eureka lemon
Variegated Eureka lemon
Variegated Pink Fleshed Eureka lemon