( liverworts ( ( may ( be ( much ( ( more closely ) ( related ( to ( ( these ( first ( vascular ( land plants ) ) ) ) ( than ( was ( previously ( ( thought , ) ( emerging ( as ( ( ( a ( separate branch ) ) ( from ( the ( Charophyte-like algal ) ) ) ) ( ancestors ( ( ( the ( `` ( xylem '' ) ) ) ( of Rhynia ) ) ( ( may ( on ( ( closer examination ) really ) ) ) ( ( be more ) ( like ( ( the hydroids ) ( of Bryophytes ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ; ) )
(ROOT (S (NP (NNS liverworts)) (VP (MD may) (VP (VB be) (ADJP (RB much) (ADVP (RBR more) (RB closely)) (VBN related) (PP (TO to) (NP (NP (DT these) (JJ first) (NN vascular) (NN land) (NNS plants)) (SBAR (IN than) (S (VP (VBD was) (VP (ADVP (RB previously)) (VBN thought) (, ,) (S (VP (VBG emerging) (SBAR (IN as) (S (NP (NP (DT a) (JJ separate) (NN branch)) (PP (IN from) (NP (DT the) (JJ Charophyte-like) (NN algal)))) (VP (VBZ ancestors) (SBAR (S (NP (NP (DT the) (`` ``) (NN xylem) ('' '')) (PP (IN of) (NP (NNP Rhynia)))) (VP (MD may) (PP (IN on) (NP (NP (JJR closer) (NN examination)) (ADVP (RB really)))) (VP (VB be) (ADJP (JJR more)) (PP (IN like) (NP (NP (DT the) (NNS hydroids)) (PP (IN of) (NP (NNP Bryophytes))))))))))))))))))))))) (: ;)))
liverworts may be much more closely related to these first vascular land plants than was previously thought, emerging as a separate branch from the Charophyte-like algal ancestors the &quot;xylem&quot; of Rhynia may on closer examination really be more like the hydroids of Bryophytes;
(ROOT (S (NP (NNS Charophytes)) (VP (VBP are) (NP (NP (DT the) (JJS closest) (VBG living) (NNS relations)) (PP (TO to) (NP (NN land) (NNS plants))))) (. .)))