Sentence:  "Ranunculus Lapponicus", L. <WSD>Uliginous</WSD> or subaquatic, fibrous-rooted, with entire or merely denticulate or crenulated and petiolate leaves. <ref name= "AG1">Proceedings of the American Academy of Arts and Sciences Communicated March 13, 1886. [http://www.jstor.org/stable/25129830]</ref> 
Meaning of the word marked with <WSD> tags:  Growing in muddy places.