Contains 14 accepted taxa overall.

Characteristics
Utricularia L.
BLADDERWORT
Classification
LAMIALES
Utricularia
Citation
UTRICULARIA Linnaeus, Sp. Pl. 18. 1753.
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TYPE: Utricularia vulgaris Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 3: 227. 1913.
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Utricularia amethystina FLORIDA PURPLE BLADDERWORT Native OBL (NWPL) OBL (DEP)
Utricularia cornuta HORNED BLADDERWORT Native OBL (NWPL) OBL (DEP)
Utricularia floridana FLORIDA YELLOW BLADDERWORT Native OBL (NWPL) OBL (DEP)
Utricularia foliosa LEAFY BLADDERWORT Native OBL (NWPL) OBL (DEP)
Utricularia gibba HUMPED BLADDERWORT Native OBL (NWPL) OBL (DEP)
Utricularia inflata FLOATING BLADDERWORT Native OBL (NWPL) OBL (DEP)
Utricularia juncea SOUTHERN BLADDERWORT Native OBL (NWPL) OBL (DEP)
Utricularia olivacea PIEDMONT BLADDERWORT Native OBL (NWPL) OBL (DEP)
Utricularia purpurea EASTERN PURPLE BLADDERWORT Native OBL (NWPL) OBL (DEP)
Utricularia radiata LITTLE FLOATING BLADDERWORT Native OBL (NWPL) OBL (DEP)
Utricularia resupinata LAVENDER BLADDERWORT; SMALL PURPLE BLADDERWORT Native OBL (NWPL) OBL (DEP)
Utricularia simulans FRINGED BLADDERWORT Native OBL (NWPL) OBL (DEP)
Utricularia striata STRIPED BLADDERWORT Native OBL (NWPL)
Utricularia subulata ZIGZAG BLADDERWORT Native OBL (NWPL) OBL (DEP)
Identification Key
1.  Plant with a whorl of elongated floats at the base of the inflorescence, these usually at the water surface
2
1.  Plant without elongated floats
3
2.  Inflorescence with (4)8-14(17) flowers; bract subtending pedicel 3-5 mm long, longer than wide; pedicels recurving in fruit; corolla spur notched at tip
2.  Inflorescence with (1)3-5(7) flowers; bract subtending pedicel 1-2 mm long, about as wide as long; pedicels ascending in fruit (rarely recurved); corolla spur lacking a notch
3.  Corolla predominantly pink to purple or white, sometimes some lobes having yellow spots at the base
4
3.  Corolla predominantly yellow to greenish yellow, sometimes some lobes with reddish areas
6
4.  Inflorescence scape poorly developed, flowers appearing solitary emerging from the water; corolla white, 2-4 mm wide or long
4.  Inflorescence scape well developed and apparent; corolla pink, purple, or white, 5-20 mm wide or long
5
5.  Plant usually floating; corolla upper lip (opposite the spur) suborbicular, about as wide as the lower lip (part with yellowish spot at base)
5.  Plant usually terrestrial; corolla upper lip (opposite the spur) oblong-obovate, much narrower than the lower lip (part with yellowish spot at base)
6.  Bracts and calyx lobes margins fimbriate
6.  Bracts and calyx lobes margins entire
7
7.  Pedicel subtended by 1 bract and 2 bracteoles; plant terrestrial
8
7.  Pedicel subtended 1 bracts, without bracteoles; plant terrestrial to aquatic
9
8.  Bladders 1-1.2 mm wide; calyx 1.5-3 mm long; fruit 1.5-2.5 mm long or wide
8.  Bladders 0.3-0.8 mm wide; calyx (2.5)3-5(7) mm long; fruit 2.5-4.5 mm long or wide
9
9.  Inflorescence scape 0.5-1.5 mm wide near the base; flowers congested and overlapping at apex; spur 7-14 mm long
9.  Inflorescence scape 0.4-1 mm wide near the base, greenish purple to purple; flowers spaced out, at least those towards the base not overlapping; spur 4-8(10) mm long
10.  Plant floating; inflorescence of (3)5-20 flowers, the scape 7-60 cm long, 1-3 mm wide; bracts subtending pedicel 1.8-4 mm long
11
10.  Plant floating or terrestrial; inflorescence of 1-4(8) flowers, the scape 0.3-18 cm long, 0.5-1 mm wide; bracts subtending pedicel 0.5-2.5 mm long
12
11.  Stolons dimorphic, some whitish, bearing bladders (often buried in substrate), others green, bearing dissected leaves with no or 1--few bladders (fewer bladders than on non-green stolons); scape often flexuous; pedicel spreading to ascending in fruit
11.  Stolons monomorphic, green, leaves bearing bladders; scape usually not flexuous; pedicel recurving in fruit
12.  Bract subtending pedicel 1.2-2.5 mm long; pedicel 1-3 cm long; corollas pale yellow to greenish yellow, with conspicuous veins, lower lip with red streaks at base, continuing into spur, palate usually red-streaked; spur usually with shallow notch at apex, sometimes obscurely 3-fid; stolons radiating from base of inflorescence, whitish, bearing rhizoids
12.  Bract subtending pedicel 0.5-1.5 mm long; pedicel 0.2-1 cm long; corollas yellow, without conspicuous veins (palate red-streaked in U. gibba); spur not notched at apex (sometimes slightly denticulate in U. subulata); base of inflorescence not bearing radiating stolons
13
13.  Bract basifixed; calyx 2-4 mm long; upper corolla lip 3-lobed (sometimes obscurely so) and nearly subequal in size to the 3-lobed to unlobed lower lip
13.  Bract peltate; calyx 1-2(2.5) mm long; upper corolla lip unlobed and distinctly smaller than the 3-lobed lower lip
Genus Synonyms
Synonym Full Citation Basionym Type
Akentra Akentra Benjamin, Linnaea 20: 319. 1847. TYPE: Akentra inflata Benjamin
Aranella Aranella Barnhart, in Small, Fl. Miami 171, 200. 1913. TYPE: Aranella fimbriata (Kunth) Barnhart (Utricularia fimbriata Kunth)
Askofake Askofake Rafinesque, Fl. Tellur. 4: 108. 1838 ("1836"). TYPE: Askofake recurva (Loureiro) Rafinesque (Utricularia recurva Loureiro)
Avesicaria Avesicaria (Kamienski) Barnhart, Mem. New York Bot. Gard. 6: 56. 1915 ("1916"). BASIONYM: Utricularia Linnaeus, sect. Avesicaria Kamienski, in Engler & Prantl, Nat. Pflanzenfam. 4(3b): 121. 1893. TYPE: Avesicaria neottioides (Saint-Hilaire ex Girard) Barnhart (Utricularia neottioides Saint-Hilaire ex Girard)
Biovularia Biovularia Kamienski, in Engler & Prantl, Nat. Pflanzenfam. 4(3b): 122. 1893. TYPE: Biovularia olivacea (C. Wright ex Grisebach) Kamienski (Utricularia olivacea C. Wright ex Grisebach)
Bucranion Bucranion Rafinesque, Autik. Bot. 159. 1840. TYPE: Bucranion spicatum Rafinesque Lectotypified by Pennell, Bull. Torrey Bot. Club 48: 95. 1921.
Calpidisca Calpidisca Barnhart, Mem. New York Bot. Gard. 6: 55. 1915 ("1916"). TYPE: Calpidisca capensis (Sprengel) Barnhart (Utricularia capensis Sprengel)
Cosmiza Cosmiza Rafinesque, Fl. Tellur. 4: 110. 1838 ("1836"), nom. rej. vs. Polypompholyx Lehmann 1844. TYPE: Cosmiza coccinea Rafinesque, nom. illegit. (Utricularia multifida R. Brown)
Diurospermum Diurospermum Edgeworth, Proc. Linn. Soc. London 1: 351. 1847. TYPE: Diurospermum album Edgeworth
Enetophyton Enetophyton Nieuwland, Amer. Midl. Naturalist 3: 190. 1914. TYPE: Enetophyton cleistogamum (A. Gray) Nieuwland (Utricularia subulata Linnaeus, var. cleistogama A. Gray)
Enskide Enskide Rafinesque, Fl. Tellur. 4: 109. 1838 ("1836"). TYPE: Non designatus.
Hamulia Hamulia Rafinesque, Fl. Tellur. 4: 109. 1838 ("1836"). TYPE: Non designatus.
Lecticula Lecticula Barnhart, in Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 3: 230. 1913. TYPE: Lecticula resupinata (B. D. Green ex Bigelow) Barnhart (Utricularia resupinata B. D. Green ex Bigelow)
Lentibularia Lentibularia Seguier, Pl. Veron. 3: 128. 1754. TYPE: = Utricularia Linnaeus 1753.
Lentibularia Lentibularia Rafinesque, Fl. Tellur. 4: 108. 1838 ("1836"), non Seguier 1754. TYPE: Lentibularia minor (Linnaeus) Rafinesque (Utricularia minor Linnaeus)
Lepiactis Lepiactis Rafinesque, Fl. Tellur. 4: 109. 1838 ("1836"), non Rafinesque 1837. TYPE: Lepiactis stellaris (Linnaeus f.) Rafinesque (Utricularia stellaris Linnaeus f.)
Megozipa Megozipa Rafinesque, Fl. Tellur. 4: 110. 1838 ("1836"). TYPE: Non designatus.
Meionula Meionula Rafinesque, Fl. Tellur. 4: 108. 1838 ("1836"). TYPE: Meionula parviflora Rafinesque, nom. illegit. (Utricularia minutissima Vahl)
Meloneura Meloneura Rafinesque, Fl. Tellur. 4: 109. 1838 ("1836"). TYPE: Meloneura purpurea Rafinesque, nom. illegit. (Utricularia striatula Smith)
Nelipus Nelipus Rafinesque, Fl. Tellur. 4: 109. 1838 ("1836"). TYPE: Non designatus.
Orchyllium Orchyllium Barnhart, Mem. New York Bot. Gard. 7: 53. 1915 ("1916"). TYPE: Orchyllium alpinum (Jacquin) Barnhart (Utricularia alpina Jacquin)
Pelidnia Pelidnia Barnhart, Mem. New York Bot. Gard. 6: 50. 1915 ("1916"). TYPE: Pelidnia caerulea (Linnaeus) Barnhart (Utricularia caerulea Linnaeus)
Personula Personula Rafinesque, Fl. Tellur. 4: 110. 1838 ("1836"). TYPE: Personula grandiflora Rafinesque, nom. illegit. (Utricularia personata Leconte)
Plectoma Plectoma Rafinesque, Fl. Tellur. 4: 110. 1838 ("1836"). TYPE: Non designatus.
Pleiochasia Pleiochasia (Kamienski) Barnhart, Mem. New York Bot. Gard. 6: 52. 1915 ("1916"). BASIONYM: Utricularia Linnaeus, sect. Pleiochasia Kamienski, in Engler & Prantl, Nat. Pflanzenfam. 4(3b): 120. 1893. TYPE: Pleiochasia dichotoma (Labillardiere) Barnhart (Utricularia dichotoma Labillardiere)
Plesisa Plesisa Rafinesque, Fl. Tellur. 4: 110. 1838 ("1836"). TYPE: Plesisa bipartita (Elliott) Rafinesque (Utricularia bipartita Elliott)
Polypompholyx Polypompholyx Lehmann, Bot. Zeitung (Berlin) 2: 109. 1844, nom. cons. vs. Cosmiza Rafinesque 1838. TYPE: Polypompholyx tenella (R. Brown) Lehmann, typ. cons. (Utricularia tenella R. Brown)
Saccolaria Saccolaria Kuhlmann, Repert. Spec. Nov. Regni Veg. 13: 394. 1914. TYPE: Non designatus.
Sacculina Sacculina Bosser, Natur. Malgache 8: 28. 1956, non Malyavkina 1949. TYPE: Sacculina madecassa Bosser
Setiscapella Setiscapella Barnhart, in Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 3: 230. 1913. TYPE: Setiscapella subulata (Linnaeus) Barnhart (Utricularia subulata Linnaeus)
Stomoisia Stomoisia Rafinesque, Fl. Tellur. 4: 108. 1838 ("1836"). TYPE: Stomoisia cornuat (Michaux) Rafinesque (Utricularia cornuta Michaux)
Tetralobus Tetralobus Alph. de Candolle, in de Candolle, Prodr. 8: 667. 1844. TYPE: Tetralobus pusillus Alph. de Candolle Lectotypified by P. Taylon, Kew Bull., Addit. Ser. 14: 78. 1989.
Trilobulina Trilobulina Rafinesque, Fl. Tellur. 4: 110. 1838 ("1836"). TYPE: Non designatus.
Trixapias Trixapias Rafinesque, Fl. Tellur. 4: 108. 1838 ("1836"). TYPE: Trixapias capillacea (Willdenow) Rafinesque (Utricularia capillacea Willdenow)
Vesiculina Vesiculina Rafinesque, Fl. Tellur. 4: 109. 1838 ("1836"). TYPE: Vesiculina saccata Rafinesque, nom. illegit. (Utricularia saccata Leconte, nom. illegit.; Utricularia purpurea Walter) Lectotypified by Barnhart, in Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 3: 326. 1913.
Xananthes Xananthes Rafinesque, Fl. Tellur. 4: 108. 1838 ("1836"), nom. alt. TYPE: Utricularia minor Linnaeus