( ( The ( ( most basal ) group ) ) ( ( is ( the ( nonvascular plants ) ) ) . ) )
(ROOT (S (NP (DT The) (ADJP (RBS most) (JJ basal)) (NN group)) (VP (VBZ is) (NP (DT the) (NN nonvascular) (NNS plants))) (. .)))
The most basal group is the nonvascular plants.
(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)))) (. .)))