( Plants ( ( ( ( ( ( that ( ( ( lack ( vascular tissue ) ) ( -LRB- ( ( nonvascular plants ) -RRB- ) ) ) ( include algae ) ) ) ( , ( ( mosses , ) liverworts ) ) ) , ) and ) hornworts ) . ) )
(ROOT (S (NP (NNS Plants)) (VP (VP (SBAR (IN that) (S (NP (NP (NN lack) (NN vascular) (NN tissue)) (PRN (-LRB- -LRB-) (NP (NN nonvascular) (NNS plants)) (-RRB- -RRB-))) (VP (VBP include) (ADJP (JJ algae))))) (, ,) (VP (VBZ mosses)) (, ,) (VP (VBZ liverworts))) (, ,) (CC and) (VP (VBZ hornworts))) (. .)))
Plants that lack vascular tissue (nonvascular plants) include algae, mosses, liverworts, and hornworts.
(ROOT (S (NP (NNP Moss)) (VP (VBZ is) (VP (RBS best) (VBN classified) (PP (IN as) (NP (DT a) (NN nonvascular) (NN plant))))) (. .)))
Moss is best classified as a nonvascular plant.