“…Notable is the Guangdong province of south China, which has remained a key point of international business via its capital of Guangzhou city since the 19th century. 42 Therefore, unsurprisingly Guangdong province has remained a hotspot of the first recorded locations of the Chinese alien flora for the last 180 years. Moreover, these provinces have higher urbanization rates, per capita gross domestic product (GDP), and population densities than the inland provinces.…”