( ( ( The placement ) ( of ( members ( of ( ( the group ) ( of ( ( green algae ) ( known ( as ( ( the charophytes ) ( closest ( to ( the ( land ( plant lineage ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ( ( has ( been ( corroborated ( by ( comparisons ( of ( chloroplast ( genome ( structures ( and ( DNA sequences ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN placement)) (PP (IN of) (NP (NP (NNS members)) (PP (IN of) (NP (NP (DT the) (NN group)) (PP (IN of) (NP (NP (JJ green) (NN algae)) (VP (VBN known) (PP (IN as) (NP (NP (DT the) (NNS charophytes)) (ADVP (JJS closest) (PP (TO to) (NP (DT the) (NN land) (NN plant) (NN lineage)))))))))))))) (VP (VBZ has) (VP (VBN been) (VP (VBN corroborated) (PP (IN by) (NP (NP (NNS comparisons)) (PP (IN of) (NP (JJ chloroplast) (NN genome) (NNS structures) (CC and) (NN DNA) (NNS sequences)))))))) (. .)))
The placement of members of the group of green algae known as the charophytes closest to the land plant lineage has been corroborated by comparisons of chloroplast genome structures and DNA sequences.
(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))))) (. .)))