Utricularia inflata

Basic information
Scientific name	Utricularia inflata	Click to magnify
Common names	Swollen bladderwort, floating bladderwort
Higher taxon	Lentibulariaceae, Scrophulariales, Magnoliopsida, Magnoliophyta
Natural range	Eastern part of North America.
Habitat	Pond, swamp, stream, etc.

Invasion information
Range in Japan	Shizuoka, Aichi, Hyogo, and Osaka Prefs.
Origin	Unknown.
Date	The first record in Japan was in May 1990 at Iwata, Shizuoka Pref.
Route	Deliberate: Escape of ornamental plant.
Impact	Competition, hybridization with native species. Native organism(s) affected: Native aquatic plants
Regulation in Japan	No action for prevention, mitigation, control, or eradication.
Introduced range in other countries	Unknown.

Reference

Notes

Kameyama et al. (2005) Hybrid origins and F1 dominance in the free-floating sterile bladderwort, Utricularia australis f. australis (Lentibulariaceae). Am J Bot. 92, 469-476.
Mitchell et al. (1994) Utricularia inflata Walt. (Lentibulariaceae), New to New York State. Bull Torrey Bot Club . 121(3), 295-297.
Yamamoto & Kadono (1990) A study on the reproductive biology of aquatic Utricularia species in southwestern Japan. Acta Phytotax Geobot. 41, 189-200 (in Jpn with Englis abst)
etc.