Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies ["vegetable kingdom"] ["Cryptogams"] [Class Acrogens Lindl.] [Alliance Muscales Lindl.] [Hepaticæ Juss. (1789)] [Natural order Jungermanniaceae Lindl.] [Anthoceroteæ] [Tribe Anthocerideæᵀ Cord.]