1. A hybrid created by crossing two different species within the same genus; many bermudagrasses popular for sports turf use interspecific hybrids of Cynodon dactylon and Cynodon transvaalensis.
2. A hybrid created by crossing two plants within the same species; many seeded bermudagrass cultivars are hybrids of C. dactylon varieties.
African bermudagrass (Cynodon transvaalensis)
a Off-type grasses (lighter in color and noted by red circle) present in an ultradwarf bermudagrass (Cynodon dactylon (L.) Pers. x C. transvaalensis Burtt-Davy) putting green. The difference in turfgrass color between desirable and off-type grasses disrupts aesthetic uniformity of the putting surface. b Close-up of an off-type grass patch (noted by red circle) present in an ultradwarf bermudagrass putting green.