Family Cyperaceae Eleocharis engelmannii Steud. var. engelmannii
Engelmann's spike-rush Eleocharis: Greek elos for "marsh" and charis for grace, referring to marsh plant engelmannii: after Georg(e) Engelmann (1809-1884), a German-born St. Louis physician and botanist, and prolific author on cacti, North American conifers and oaks. Like many other famous botanical explorers and collectors, he began his career in medicine.