Although pine is the most common tree in the south where conifers are common, cedar and oaks are also found. Shrubs and cactus species are common in the northern regions with low rainfall. In the vast North American continent, there
Although pine is the most common tree in the south where conifers are common, cedar and oaks are also found. Shrubs and cactus species are common in the northern regions with low rainfall. In the vast North American continent, there