一、前言石松为蕨类植物,早期分类认为有一科两属,即石松科(Lycopodiaceae)的石松属(Lycopodium)和舌叶蕨属(Phalloglosum),后一属只有一个种。Rothmaler第一次将其分成两个科,即石松科和石杉科。随后Holub对Rothmaler的某些观点提出了修正,后来他又作了进一步的分类。至此,石松共分为三科十一属,共有380余种。根据秦仁昌1981年对我国 I. Preface Stone pine is a pteridophyte. Early classification indicated that there were two genera of one family, namely Lycopodium and Phalloglosum of the Lycopodiaceae. The latter genus had only one species. For the first time, Rothmaler divided it into two divisions, Stone Pine Branch and Huperdaceae. Holub later proposed some amendments to Rothmaler’s views, and he later made further classifications. At this point, Shi Song is divided into 11 families of three families, a total of more than 380 species. According to Qin Renchang to China in 1981