View PDF Current Species Name Prasiola crispa (Lightfoot) Kützing Original Name Ulva crispa Lightfoot 1777: 972 Image Displayed Image Specimen BM-K BM 000005094! Type Status 972 Lectotypification Dixon, Bull. B.M. (N.H.) 9: 12, 1983 Type Locality ,, Collector 22 Project 0 Notes "This is a thin membranaceous substrance, & I think it mostly is where ppeople pipes ag. walls." "In most shady places on the north side of walls where grows, generally."