( ( Thus ( unlike bryophytes ) ) ( , ( ferns ( ( are ( said ( to ( have ( ( a ( dominant ( sporophyte stage ) ) ) ( -LRB- ( ( as ( ( is also ) ( true ( for ( ( all ( other groups ) ) ( of plants ) ) ) ) ) ) -RRB- ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (ADVP (RB Thus)) (IN unlike) (NP (NNS bryophytes))) (, ,) (NP (NNS ferns)) (VP (VBP are) (VP (VBN said) (S (VP (TO to) (VP (VB have) (NP (NP (DT a) (JJ dominant) (NN sporophyte) (NN stage)) (PRN (-LRB- -LRB-) (SBAR (IN as) (S (VP (VBZ is) (ADVP (RB also)) (ADJP (JJ true) (PP (IN for) (NP (NP (DT all) (JJ other) (NNS groups)) (PP (IN of) (NP (NNS plants))))))))) (-RRB- -RRB-)))))))) (. .)))
Thus unlike bryophytes, ferns are said to have a dominant sporophyte stage (as is also true for all other groups of plants).
(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))))))) (. .)))