ALISMATACEAE (Water plantain family)
Alisma gramineum Lej. narrowleaf water plantain [US; Wisconsin; Ashland County; T45N, R2W, S1; 1,160 feet][gravel pit area above Catalino's Bog, on the east side of Tuler Forks and Highway 169, six miles north-north-west of Tyler Forks; September 8, 2001; Collected & identified by Chuck Walker; #WI14]
Damasonium californicum Torr. ex Benth. California damsonium [US; California; Lassen County; T36N, R9E, S21; 40 deg. 56.450'N, 120 deg. 56.839'W; 5,414 feet][Bald Ridges Reservoir; July 20, 2004; Collected by Chuck Walker & Matt Minarchek; Identified by Mike Dolan; #CA70]
Echinodorus cordifolius (L.) Griseb. creeping burrhead [US; Illinois; Alexander County; Miller City; T16S, R2W, S15; 37 deg. 7.424'N, 89 deg. 19.074'W; 325 feet][along southeast portion of Horseshoe Lake, north of Picnic Area, Horseshoe Lake State Conservation Area; June 22, 2002; Collected & identified by Chuck Walker; #IL327]
Echinodorus cordifolius (L.) Griseb. creeping burrhead [US; Mississippi; Sharkey County; T13N, R5W, S21; 32 deg. 57.797'N, 90 deg. 43.841'W; 100 feet][in pondberry experimental Cell 8, Flooding Research Facility, six miles east-south-east of Anguilla; June 6, 2006; Collected & identified by Chuck Walker; #MS98]
Sagittaria brevirostraMackenzie & Bush shortbeak arrowhead [US; Illinois; Union County; Makanda; T11S, R1W, S2; 37 deg. 35.891'N, 89 deg. 11.362'W; 660 feet][in pond near Post Oak trail, Giant City State Park; June 17, 2002; Collected by Chuck Walker; Identified by Dr. Mark A. Basinger; #IL320]
Sagittaria calycina Engelm. var. calycina hooded arrowhead [US; Illinois; Calhoun County; T12S, R2W, S24; 415 feet][west edge of upper Middle Swan Lake, Two Rivers National Wildlife Refuge; September 19, 2000; Collected & identified by Chuck Walker; #IL88]
Sagittaria cuneata Sheldon arumleaf arrowhead [US; California; Lassen County; T36N, R9E, S28; 40 deg. 55.614'N, 120 deg. 56.189'W; 5,249 feet][Buckhorn Waterhole; July 20, 2004; Collected & identified by Chuck Walker & Matt Minarchek; #CA75]
Sagittaria lancifolia L. bulltongue arrowhead [US; Florida; Broward County; Sunrise; T50S, R40E, S4; 5 feet][along path around lake, Markham County Park; December 31, 1997; Collected & identified by Chuck Walker; #FL39]
Sagittaria lancifolia L. bulltongue arrowhead [US; Texas; Houston County; 31 deg. 21.018'N, 95 deg. 15.532'W; 410 feet][a pond-slough, northwest quadrant of Highway #1733-Highway #7 intersection; July, 31, 2006; Collected by Bryce Burke; Identified by Bryce Burke & Chuck Walker; #BB04]
Sagittaria montevidensis subsp. calycina (Engelmann) Bogin hooded arrowhead [US; Mississippi; Sharkey County; T13N, R5W, S21; 32 deg. 57.820'N, 90 deg. 43.844'W; 100 feet][in pondberry experimental Cell 1, Flooding Research Facility, six miles east-south-east of Anguilla; June 6, 2006; Collected & identified by Chuck Walker; #MS99]
Sagittaria papillosa Buchenau nipplebract arrowhead [US; Louisiana; Calcasieu Parish; Lake Charles; T10S, R8W, S17; 15 feet][south side of Illinois St., off southeast corner of Brentwood Park; April 3, 1994; Collected & identified by Chuck Walker; #LA54]