File:Britannica Cyperaceae Eriophorum and Scirpus.png

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Description
English: Inflorescence of cotton-grass (Eriophorum polystachion) and flower of true bulrush (Scirpus lacustris).
Date published 1911
Source Encyclopædia Britannica, 11th ed., Vol. 7, p. 693.
Author Unknown authorUnknown author
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Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

Caption:

Fig. 3. — Inflorescence of Cotton-grass (Eriophorum polystachion), about nat. size. 1, Flower of true bulrush (Scirpus lacustris).

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current18:22, 21 July 2009Thumbnail for version as of 18:22, 21 July 2009905 × 1,275 (55 KB)Bob Burkhardt{{Information |Description={{en|1=Inflorescence of cotton-grass (''Eriophorum polystachion'') and flower of true bulrush (''Scirpus lacustris'').}} |Source=Encyclopædia Britannica, 11th ed., Vol. 7, p. 693. |Author=unknown |Date= |Permission={{PD-Britann