In other words, the flora of Alaska and Chukotka closer to each other than; flora flora Kolyma Chukotka and Yakutia, as well as the flora of Alaska Chukchi closer, not Canadian. What caused this closeness? Undoubtedly, a major role in plant dispersal currents and winds play. Thus, according to the American botanist C. Yang, many germs of plants are brought by winds from Alaska on St. Lawrence Island in the Bering Sea. If so, then to Chukotka could reach the spores and seeds. The seeds of many plants can travel and fallen trees. But one can not be explained by random drifts striking closeness flora peninsulas separated by the Bering Strait.