Species boundaries in plants may very well be weaker than in animals, and cross species hybrids are sometimes possible. A well-known example is peppermint, Mentha × piperita, a sterile hybrid involving Mentha aquatica and spearmint, Mentha spicata.[115] The various cultivated varieties of wheat are the results of a number of https://redstonesinjewelry13468.webdesign96.com/27282113/deserts-options