Under the International Code of Botanical Nomenclature the name C. × macrocarpa covers all intermediate forms between the two parent species, including backcrosses.
Crataegus | Crataegus monogyna | Cupressus macrocarpa | Crataegus laevigata | ''Crataegus'' spp. | Crataegus orientalis | Crataegus mexicana | Crataegus crus-galli | ''Crataegus'' | Couma macrocarpa | Coprosma macrocarpa | Carissa macrocarpa | Alsomitra macrocarpa |
Carissa macrocarpa, the Natal plum, a shrub native to South Africa
•
Cupressus macrocarpa, the Monterey cypress, a tree species, known simply as macrocarpa in Australia and New Zealand
Under the International Code of Botanical Nomenclature the name C. × media covers all intermediate forms between the two parent species, including backcrosses.
Gas-liquid chromatography of lipoidal matter of the seeds of C. sinaica indicated that the seeds consist mainly of a mixture of a series of n-alkanes (75.75%).