( ( Most ( nonvascular plants ) ) ( , ( though ( , ( ( reproduce sexually ) . ) ) ) ) )
(ROOT (S (NP (JJS Most) (NN nonvascular) (NNS plants)) (, ,) (ADVP (RB though)) (, ,) (VP (VBZ reproduce) (ADVP (RB sexually))) (. .)))
Most nonvascular plants, though, reproduce sexually.
(ROOT (S (NP (NP (DT The) (ADJP (RBS most) (JJ basic)) (NN division)) (PP (IN of) (NP (NN land) (NNS plants)))) (VP (VBZ is) (PP (IN between) (NP (NN nonvascular) (CC and) (NN vascular) (NNS plants)))) (. .)))