oblong capsule, 3-5 mm long; may contain 1 or 2 seeds; capsules containing only 1 seed are tapered as seen in top left sp...
globose-elliptic, 2-2.5 mm; seed wall radially striated, woody
lens shaped, 1-2 mm long; tubercle cap triangular; smooth surface; bristles
flat, round discs to wedge shaped, 4-6 mm
oblong-cylindric to elliptic, ~2 mm long, 1 mm wide; thick, soft-woody wall
ovate, 0.5-1.5 mm; prominent indent at base of seed characterstic of Glyceria; 2 persistent, recurved stigmas; reddish-b...
2-4 mm long; smooth; shortly awned; finely hairy
linear oblong, 1.5-2 mm long; dry, glabrous; pappus may or may not be present
lens shaped, 2-3 mm long; smooth, shiny
elliptic, ~2 mm long; cellular reticulate; light, corky texture
globose, ~ 1 cm across; somewhat resembles an acorn; seed wall very hard
lens shaped achene, 2-4 mm long; smooth, shiny, dark brown
ovate-elliptic, 3-4 mm; 20-25 lengthwise lines (not visible in imaged specimens); top of seed depressed
ear shaped, arched, with rounded back and straight to concave edge, shaped similar to Potamogeton; ~ 1 mm long
flattened elliptic, 5-8 mm long; split on one side where seeds released
compressed-oblong, rounded triangular in cross section 1.5-3 mm long; rounded side is ridged lengthwise; cross ridges als...
obovoid, 4-5.5 mm long, 2-3 mm wide; rounded on one side and compressed-angled on other; circular hole at base; yellow-br...
globose to ellipsoid, 2-4 mm long, 2-2.5 mm wide; slight ridge on one side and small attachment scar at base; olive green...
