WebThe correct answer is 'Sphenopsida'. Horse tails are a type of fern which belongs to genus Equisetum which is the only genus present in the class Sphenopsida along with many … WebLeptosporangiate ferns (sometimes called as true ferns) are by far the largest group, but ferns as defined here (ferns sensu lato) include horsetails, whisk ferns, marattioid ferns, and ophioglossoid ferns. This group may be referred to as monilophytes. The term pteridophyte traditionally refers to ferns plus a few other seedless vascular plants.

Pteridophytes: Features, Classification, Reproduction with …

WebFeb 1, 2001 · Horsetails and ferns are a monophyletic group and the closest living relatives to seed plants Kathleen M. Pryer, Harald Schneider, Alan R. Smith, Raymond Cranfill, Paul … WebFerns are divided into two groups based on the kind of sporangium they possess. The more primitive are the eusporangiate, and the more advanced the leptosporangiate. Ferns have … medication for cat bladder pain

Seedless Vascular Plants Biology II

WebHorsetails, whisk ferns and ferns belong to the phylum Monilophyta, with horsetailsplaced in the Class Equisetopsida. The single genus Equisetumis the survivor of a large group of plants, known as Arthrophyta, which produced large trees and entire swamp forests in … WebToxicity. Brackenfern and horsetail are toxic when horses eat it fresh (in pasture) or dried in hay. If horses eat a diet with 20 to 25 percent brackenfern or field horsetail for about three … medication for cardiac arrest