( ( ( These plants ) ( ( were then ) ( allowed ( to ( grow ( with ( a ( native ( related plant ) ) ) ) ) ) ) ) ) ( , ( ( a weed ) ( ( called ( Wild Mustard ) ) . ) ) ) )
(ROOT (S (S (NP (DT These) (NNS plants)) (VP (VBD were) (ADVP (RB then)) (VP (VBN allowed) (S (VP (TO to) (VP (VB grow) (PP (IN with) (NP (DT a) (JJ native) (JJ related) (NN plant))))))))) (, ,) (NP (DT a) (NN weed)) (VP (VBD called) (NP (NNP Wild) (NNP Mustard))) (. .)))
These plants were then allowed to grow with a native related plant, a weed called Wild Mustard.
(ROOT (S (NP (NP (NNS Plants)) (SBAR (WHNP (WDT that)) (S (VP (VBP grow) (SBAR (WHADVP (WRB where)) (S (NP (PRP you)) (VP (VBP do) (RB n't) (VP (VB want) (NP (PRP them)))))))))) (VP (VBP are) (VP (VBN called) (NP (NNS weeds)))) (. .)))