Pronounced (approximate): yoo-trik-yoo-LAIR-ee-ah mak-roh-RY-zah
Yellow two-lipped flowers rise above the water. Submerged branching foliage bears tiny prey-trapping bladders.
Common Bladderwort (Utricularia macrorhiza): flower details. Tap the photo to open the gallery.
Family Lentibulariaceae
Life cycle Perennial
Blooms June–August
Height 1 to 3 feet
Habitat part shade, sun; still or slow-moving water; bogs, swamps, ponds, along shores, ditches
Common names: Common Bladderwort
Bloom timing varies with latitude, weather and local conditions.
Explore reported observations. Sightings are not a complete range map.
part shade, sun; still or slow-moving water; bogs, swamps, ponds, along shores, ditches. Flowering season: June–August.
Compare the flower shape and submerged bladder-bearing shoots with other bladderworts. Some regional floras place this North American species under Utricularia vulgaris.
Yellow two-lipped flowers rise above the water.
Submerged branching foliage bears tiny prey-trapping bladders.
The inflated lower flower lip forms a prominent platform. Pair close views with a photograph of the whole plant.
4 field photographs. Select a photograph to enlarge it; use Load more photos to see the rest.
Native in North America.
Reported U.S. distribution
AK, AL, AR, AZ, CA, CO, CT, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY
Includes native and introduced state records where listed; a state record does not imply occurrence in every county.
Observation maps show submitted records, not every place the plant occurs. Follow local access rules when visiting a site.
Practice recognizing Common Bladderwort in the flower quiz, or compare it with other plants in the guide.
Field photographs: Where’s Wildlife.