Author:Jerry G. Chmielewski Contents 1 Affiliation 1.1 Institution 1.2 Location 2 Treatments Affiliation Affiliation information has been provided by Volume 19-20-21. Institution Slippery Rock University Location Slippery Rock, PennsylvaniaTreatments DDoellingeria Doellingeria infirma D cont.Doellingeria sericocarpoides Doellingeria umbellata D cont.Doellingeria umbellata var. pubens Doellingeria umbellata var. umbellata