common species with broad range and variable morphology; 1-2 mm long, yellow to brown; tubercle (cap on top of seed) flat...
oblong-cylindric to elliptic, ~2 mm long, 1 mm wide; thick, soft-woody wall
brown, 3 angled, 1-2 mm long, up to 0.5 mm wide at broad end
ovate, 0.5-1.5 mm; prominent indent at base of seed characterstic of Glyceria; 2 persistent, recurved stigmas; reddish-b...
ellipsoid to obovoid, 3-5 mm long, 2-3 mm wide; rounded on one side and compressed-angled on other; circular hole at base...
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
spindle shaped, 5-7 mm long; abruptly contracted to a beak 1-3 mm long
elliptic, ~2 mm long; cellular reticulate; light, corky texture
obovate, flat on one side, 2-4 mm long; conspicuously ribbed
flattened trigonous, 0.5-1 mm long; short beak; very long bristles easily attach/tangle
compressed-oblong, rounded triangular in cross section 1.5-3 mm long; rounded side is ridged lengthwise; cross ridges als...
obovate, flat on one side, convex on other, 2-3 mm long, beak (on broad end of seed) up to 5 mm long, bristles (hairs) no...
flat on one side, convex on other, 2-3 mm long, beak (on broad end of seed) up to 0.2 mm long, bristles (hairs) not alway...
tan to white, 3 angled; ~ 1mm long, beak (on broad end of seed) ~0.2 mm long, bristles (hairs) not always present
ellipsoid trigonous with sinous, persistent style; 2.2-3 mm long, 2.5 times as long as wide
obovate, 2-4 mm long; beak projecting horizontally, 1-2 mm long; winged
trigonous, each side slightly concave, 1.5-2 mm long; style persistent
ovate, flattened to nearly round in cross section, 5-7 mm long; > 10 visible nerves; tapering to beak ~1 mm long
rounded trigonous, 3-5 mm long; beak up to 0.5 mm long; bristled
lens shaped achene, 2-4 mm long; smooth, shiny, dark brown
triangular, 5-10 mm long; three chambered, only one chamber develops seed;ridged; horned at base
oblong-elliptic, elongate, 0.8-1.5 mm long; whorled white pappus may be present; small, conical nipple on truncate end
oblong, lens shaped in cross section, 2-4 mm long; long, sturdy, persistent style beak about as long as body
