Verbatim text: Beetle, A. A. 1947. Scirpus L. section Baeothryon (A. Dietr.) Reichenb. In: N. L. Britton et al., eds. 1905+. North American Flora…. 47+ vols. New York. Vol. 18, pp. 493–495.
Author: Beetle, A.A.
Year: 1947
Title: Scirpus L. section Baeothryon (A. Dietr.) Reichenb
Editor: Britton, N.L.
Book year: 1905
Book title: North American Flora
Book volume: 47+ vols
Volume: 18
Pages: 493–495