C. antiqua, C. bentonensis, C. emarginata, C. eolignitica, C. evanstonensis, C. fayettensis, C. fisheriana, C. fistula, C. georgiana, C. glenni, C. idahoensis (syn. C. obtusa), C. insularis, C. lowii, C. marshallensis, C. miokachchhensis, C. miosiamea, C. mississippiensis, C. neosophora, C. nepalensis, C. obtusa, C. polita, C. problematica, C. puryearensis, C. richardsoni, C. sapindoides, C. siwalica, C. tennesseensis, C. toraformis, C. vaughani, C. wilcoxiana

C. aguaytiensis, C. altaensis, C. argentinensis, C. bassleri, C. cultrifoliaformis, C. gardneri, C. kugleri, C. leptocarpoides, C. marahiana, C. oxleyi, C. patagonica, C. pisllypampensis, C. polcana, C. singewaldi, C. yumuriensis, C. zuliana