equisetopsida is a class of vascular plants

background beautiful botanical botany closeup color detail elaters equisetaceae equisetales equisetopsida equisetum field flora forest fresh garden grass green growth herb horse horsetail hygroscopic leaf light macro microscope microscopic microscopy moisture natural nature outdoor perennial plant prothalli pteridophyta science scientific sporangiophores spring stem strobilus summer texture vascular water wetland wild