然而,最近的研究显示,除了日本金松属之外,所有的杉科都应该并入柏科。 [来源请求] 并没有一致的特征可以把二者区分开来,基因证据也表明二者关系密切;科学界目前广泛接受二者合并。 [来源请求]
日本金松属,作为唯一的例外,它的基因不同于所有其他的针叶树,现在被单独划分到一个科, 即日本金松科。
现在,属于之前杉科下的几个属被提议划分到柏科的亚科下:
- Athrotaxidoideae Quinn (Athrotaxis)
- Cunninghamioideae (Sieb. & Zucc.) Quinn (Cunninghamia)
- Sequoioideae (Luerss) Quinn (Sequoia, Sequoiadendron, and Metasequoia)
- Taiwanioideae (Hayata) Quinn (Taiwania)
- Taxodioideae Endl. ex K. Koch (Taxodium, Glyptostrobus, and Cryptomeria)[1] (页面存档备份,存于互联网档案馆)
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