Noteworthy Collections: Oklahoma (78-3)

Harperella nodosa Rose (APIACEAE)— McCurtain County: Lower Mountain Fork River. Growing along a muddy riverbank. Associates: Taxodium distichum (L.) Rich. (some plants were growing among the cypress knees), Calamovilfa arcuata K.E. Rogers, Carex glaucescens Elliott, Commelina virginica L., Gratiola brevifolia Raf., Xyris jupicai Rich., Justicia americana (L.) Vahl, Mikania scandens (L.) Willd., Lobelia cardinalis L., Hydrocotyle verticillata Thunb., Rhynchospora caduca Elliott, and Vernonia lettermannii Engelm. ex A. Gray