fusca-has long,cylindrical pitchers heavily marked in purplish red, with a stunning peristome so purple maroon it looks almost black. lids are very narrow & triangular. upper pitchers are short and very funnel-shaped, sometimes spotted, with unusually narrow and downward-curved lids.
villosa-upper & lower pitchers are similar. plump & roundish, up to 8" tall, red orange in color, and covered with an animal-like pelt fur. lid is large & held horizontally.the peristome looks like a row of raised claws, sharp as razors and yellow in color
mirabilis-leaves typically are paper thin. the upper & lower pitchers are usually the same. bulbous bottom, round mouth and lid, flatten peristome, and color green to suffused w/ red