( ( ( ( Equisetum ( is Homosporous ) ) and ) ( ( the spores ) ( are green ) ) ) . )
(ROOT (S (S (NP (NNP Equisetum)) (VP (VBZ is) (NP (NNS Homosporous)))) (CC and) (S (NP (DT the) (NNS spores)) (VP (VBP are) (ADJP (JJ green)))) (. .)))
Equisetum is Homosporous and the spores are green .
(ROOT (S (NP (JJS Most) (NNS ferns)) (VP (VP (VBP produce) (NP (NP (DT the) (JJ same) (NN type)) (PP (IN of) (NP (NNS spores))))) (CC and) (VP (VBP are) (ADVP (RB therefore)) (VP (VBN called) (NP (NNS homosporous))))) (. .)))