| Subspecies mexicana is the teosinte that grows most commonly in maize fields and has been observed to hybridize readily with maize. |
| Although no hybridization between those species has been noted in the wild, Amazona species are known to hybridize in captivity. |
| Could previously isolated species hybridize and become a serious plant disease threat? |
| The Turks of the Ottoman Empire were the first culture to celebrate the beauty of the tulip and to begin to cultivate and hybridize the flower. |
| Alternatively, true differences may exist in the degree to which species hybridize in different biogeographic regions. |
| Conversely, it is well known that cracids can hybridize very easily in captivity, though natural hybridization has not been reported in the wild. |
