<dl><dt>Species</dt>
<dd>Acorus calamus</dd>
<dt>Family</dt>
<dd>Acoraceae</dd></dl>
Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA NRCS.
1995. (17 August 2005 (according to <a href="https://en.wikipedia.org/wiki/Exchangeable_image_file_format" class="extiw" title="en:Exchangeable image file format">Exif</a> data))
Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester, PA. (via <a rel="nofollow" class="external free" href="https://plants.usda.gov/cgi_bin/topics.cgi">http://plants.usda.gov/cgi_bin/topics.cgi</a>)