The plant body is thalloid in:

Marchantia is a bryophyte, also called liverworts, having a dorsoventrally flattened thallus body. Sphagnum and Funaria are mosses (bryophytes), where plant body is leafy. Salvinia is a pteridophyte. It has a sporophyte plant body with true leaves, stem and root. Related Theory Bryophytes are non-vascular plants including mosses, liverworts, and hornworts. They are characterized by the absence of true roots, stems and leaves and rhizoids perform the function of roots, essentially anchoring the plants into the surface.