Apropå Lemon Sbadting (Dingbats):
Meyer lemon - Is a cross between a lemon and possibly an orange or a mandarin, was named for Frank N. Meyer who first discovered it in 1908. Thin-skinned and slightly less acidic than the Lisbon and Eureka lemons, Meyer lemons require more care when shipping and are not widely grown on a commercial basis.
Lisbon - A good quality bitter lemon with high juice and acid levels. The fruits of Eureka and Lisbon are very similar. Vigorous and productive, trees are very thorny particularly when young.
Eureka
Verna - A Spanish variety of unknown origin.[6]
Bush Lemon Tree - Naturalized lemon grown wild in subtropical Australia. They are very hardy, have a thick skin with a true lemon flavour. Grows to about 4m in a sunny position. The skin makes a good zest for cooking.
Villafranca[7]
Ponderosa. Is a thick skinned, very hardy and can handle frosts. Very large fruit