From crfg fruit facts page:
CULTIVARS
Chestnut
Origin Vista, Calif. Wesley C. Chestnut, 1935. Seedling of Suebelle. Tree large, heavy production, fruit has withstood shipping to eastern states. Spherical, yellow-green when ripe, taste good, skin bitter. Alternate bearing.
Cuccio
Origin Fallbrook, Calif. Cuccio, 1973. Probable syn. Florida. Very quick to come into bearing. Green when ripe, taste excellent, keeps long and well on tree. Fruit sunburns if tree defoliates.
Ecke
Origin Encinitas, Calif., Paul Ecke, Sr., 1963. Single fruits,uniform in size and shape, Skin becomes bright yellow several months before maturity.
Fiesta
Origin Yorba Linda, Calif., Ray Vincent, 1973. Reliable,productive but very late cropper of rather small (1-2 inch) fruit. Pale yellow, thick skin, endures handling.
Lemon Gold
Origin Escondido, Calif., Martin Reinecke, 1958. A less vigorous tree, moderate crops, usually in November. Keeps well when ripe, can be picked immature and ripens well off the tree. Uniform, pleasing appearance; flesh quite yellow. Flavor excellent, occasional hints of lemon.
Louise
Origin Chula Vista, Calif., Bill Nelson, 1973. Nearly everbearing, Jan. – Sept., productive. Fruit yellow, medium size. Suggested for home gardens, not commercial.
Malibu No. 3
Origin Malibu, Calif., Washington MacIntyre, 1981. Fruit spherical, yellow, ripens Oct – Nov. Pick when soft. Tree is long coming into bearing. Most promising new cv.
Maltby
Origin Carlsbad, Calif., Guy Maltby, 1928. syn. Nancy Maltby. Frequently found in Florida, obsolete in California. Tree large. Fruit to one pound, irregular in shape, pointed, flesh yellow, flavor varies by season, can be good. Productive.
McDill
Origin Orange, Calif., McDill, 1968. Precocious, excellent taste, among the largest. Shape oblate, large, greenish-yellow. Bears early autumn. Tree large, grafts easy.
Michele
Origin Pasadena, Calif., Michele Montllor, 1940. Tree small, nearly everbearing. Fruit smallish, yellow, with distinct taste of caramel. For home culture.
Pike
Origin Santa Barbara, Calif., intro. USDA, 1928. Tree med. size, heavy cropper, mid-season, Large green fruits. One of three most popular cultivars of the mid-century, is still found commercially. Taste fairly good, skin bitter.
Reinecke Commercial
Origin San Diego, Calif., John M. Reinecke. Fruit irregular in shape, weighing about 5 ounces. Skin attractive golden-orange when ripe. Flavor good, seeds moderate in number. Has excellent keeping qualities, and even if picked prematurely will soften and become fairly good eating. Tree is a relatively poor yielder.
Stickley
Origin La Mesa, Calif., Stickley 1967. Seedling of Vernon,less alternate in bearing. Broad vigorous tree. Fruit yellow-green, quite sweet, uniformly large. Ripens very early, sweet even if harvested immature. Keeps well when soft.
Suebelle
Origin Encinitas, Calif., Susan Hubbell, 1931. Syn. Hubbell. The best known cv of sapote, still not surpassed in performance by others; common in nurseries. A distinct cv., Neysa was commonly sold as Suebelle from 1955-65. True Suebelle fruit is variable in size, usually small, yellow, asymmetrical, sweet. Pick when soft. Bears nearly year-round. Tree medium, for home culture.
Vernon
Origin Vista, Calif., Wells Miller, 1953. A mature tree found by him and may prove to be another, older cv. Tree large, rounded, vigorous but medium height. Fruit green, round oblate; flesh white, not becoming bitter when over-ripe. Alternate bearing, over the winter months. Performs well in northern California. Difficult to graft.
Wilson
Origin Monrovia, Calif., W. C. Wilson, 1927. Introduced then by Armstrong Nurseries and still found in collections. Tree productive, fruit flattened, flavor good, poor keeper.
Mac’s Golden
Origin Carlsbad, Calif., Charles Ramsey, 1932 A wooly-leaf sapote (C. tetrameria). Fruit large, yellow with deeper-colored flesh. The best, and least yellow, of the matasanos, preferred by some, with characteristic aroma. Elongated oval, few seeds.