He just stopped mowing his lawn, and after a few years, he had some grad students come, and they did sort of a bio-blitz of his backyard, and they found 375 plant species, including two endangered species.
Он просто перестал стричь газон, а через пару лет студенты старших курсов пришли на его участок провести биологический «учёт» и обнаружили 375 разновидностей растений, включая два вымирающих вида.