( ( ( ( ( ( One case ) ( of ( superficial ( fairy ring ) ) ) ) , ) ( where ( ( ( the ( white mat ) ) ( of mycelium ) ) ( forms ( ( a ( hydrophobic layer ) ) ( on ( the ( soil surface ) ) ) ) ) ) ) ) , ) ( ( has ( been ( submitted ( to ( the ( diagnostic lab ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (CD One) (NN case)) (PP (IN of) (NP (JJ superficial) (NN fairy) (NN ring))) (, ,) (SBAR (WHADVP (WRB where)) (S (NP (NP (DT the) (JJ white) (NN mat)) (PP (IN of) (NP (NN mycelium)))) (VP (VBZ forms) (NP (NP (DT a) (JJ hydrophobic) (NN layer)) (PP (IN on) (NP (DT the) (NN soil) (NN surface))))))) (, ,)) (VP (VBZ has) (VP (VBN been) (VP (VBN submitted) (PP (TO to) (NP (DT the) (JJ diagnostic) (NN lab)))))) (. .)))
One case of superficial fairy ring, where the white mat of mycelium forms a hydrophobic layer on the soil surface, has been submitted to the diagnostic lab.
(ROOT (S (NP (NP (DT Some)) (PP (IN of) (NP (DT the) (JJ giant) (NN fairy) (NNS rings)))) (VP (VBP are) (VP (VBN produced) (PP (IN by) (NP (NN mycelia))))) (. .)))