( Conifers ( ( ( ( ( are ( by ( ( far ( the ( ( most abundant ) ( extant group ) ) ) ) ( of gymnosperms ) ) ) ) ( with ( ( ( six to ) eight ) families ) ) ) , ) ( with ( ( ( a total ) ( of ( ( ( 65-70 genera ) and ) ( 600-630 species ) ) ) ) ( -LRB- ( ( 696 ( accepted names ) ) -RRB- ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Conifers)) (VP (VBP are) (PP (IN by) (NP (NP (RB far) (DT the) (ADJP (RBS most) (JJ abundant)) (JJ extant) (NN group)) (PP (IN of) (NP (NNS gymnosperms))))) (PP (IN with) (NP (QP (CD six) (TO to) (CD eight)) (NNS families))) (, ,) (PP (IN with) (NP (NP (DT a) (NN total)) (PP (IN of) (NP (NP (CD 65-70) (NN genera)) (CC and) (NP (CD 600-630) (NNS species)))) (PRN (-LRB- -LRB-) (NP (NP (CD 696)) (VP (VBN accepted) (NP (NNS names)))) (-RRB- -RRB-))))) (. .)))
Conifers are by far the most abundant extant group of gymnosperms with six to eight families, with a total of 65-70 genera and 600-630 species (696 accepted names).
(ROOT (S (NP (NNS Conifers)) (VP (VBP are) (NP (NP (DT the) (ADJP (RBS most) (JJ prevalent)) (NN type)) (PP (IN of) (NP (NNS gymnosperms))))) (. .)))