花旗松(北美黄杉),学名 Pseudotsugamenziesii,松科黄杉属树种。占美国西部森林面积的50%左右,是美国森林“巨宝”之一,树高达76米以上,直径在2.4米以上。主要产于北美洲和太平洋地区。近年来我国从美国进口花旗松材数量较大,它材质优,用途广,投放市场的花旗松 Douglas fir (North American Douglas Fir), scientific name Pseudotsugamenziesii, Sequoia Pine tree species. Accounting for about 50% of the forest area in the western United States. It is one of the giant forests in the United States, with trees up to 76 meters in diameter and above 2.4 meters in diameter. Mainly in North America and the Pacific. In recent years, China imported a large number of Douglas fir from the United States, its material quality, versatility, put on the market Douglas Fir