Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981) Subkingdom Lycopodiobiotina Doweld (2001) Division †Langiophytophyta Doweld (2001) [monotypic] see Phylum Langiophytophyta Doweld (2001) Class †Langiophytopsida Doweld (2001) a Order †Lyonophytales Doweld (2001) [monotypic] b Order †Langiophytales Doweld (2001) [monotypic]