ABSTRACT
Körn. in Linnaea 27: 572 (1856); N.E. Br. in F.T.A. 8: 260 (1901); Ruhland in E.P. 4, 30: 117 (1903); Jacq.-Fél. in Bull. Soc. Bot. Fr. 94: 143-151 (1947); H. Hess in Ber. Schweiz. Bot. Ges. 65: 178 (1955); Meikle in F.W.T.A., ed. 2, 3: 64 (1968); Kimpouni in Fragm. Fl. Geobot. 39: 147-160 (1994)
