( ( In ( ( higher plants ) ( like ( ferns ( and ( fern allies ) ) ) ) ) ) ( , ( ( the ( sporophyte stage ) ) ( ( is dominant ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NP (JJR higher) (NNS plants)) (PP (IN like) (NP (NNS ferns) (CC and) (NN fern) (NNS allies))))) (, ,) (NP (DT the) (JJ sporophyte) (NN stage)) (VP (VBZ is) (ADJP (JJ dominant))) (. .)))
In higher plants like ferns and fern allies, the sporophyte stage is dominant.
(ROOT (S (NP (DT The) (JJ sporophyte) (NN stage)) (VP (VBZ is) (NP (NP (DT the) (JJ dominant) (NN stage)) (PP (IN of) (NP (NP (DT the) (NN lifecycle)) (PP (IN of) (NP (DT a) (NN fern))))))) (. .)))