CROSSBREED • DICCIONARIO INGLES.COM • Definition of Crossbreed

... smaller plant that had been found in the temperate regions of Mars and purposely changed genetically to grow in the Siberian tundra country, where the conditions were similar to, but superior to, their natural habitat. They looked as though someone had managed to crossbreed the Joshua tree with the cypress and then persuaded the result to grow grass instead of leaves. And the photosynthesis of those grasslike blades depended on an iron-bearing compound that was more closely related to hemoglobin than to chlorophyll, giving them a rusty red color instead ...

— Anything You Can Do ... • Gordon Randall Garrett