Utricularia olivacea
A tiny, rootless, suspended aquatic bladderwort from the Americas: thread-fine stems with minute traps drift among other vegetation in shallow, acidic, still water. It is usually treated as an annual and is easily overlooked; the small white flowers are held just above the surface. In cultivation it behaves like other small suspended aquatics: soft, acidic, clean water, bright light and companion plants to hold it.
Where it grows wild
Suspended in shallow, still, nutrient-poor and acidic water of ponds, pond margins, seepage pools and ditches, typically tangled among sedges, rushes, mosses and other bladderworts rather than floating free in open water. In the eastern United States it belongs to coastal-plain pond communities; in the tropics it occurs in savanna pools and marshy wetlands.
Mostly a lowland plant, from near sea level on the Atlantic and Gulf coastal plain to modest elevations in tropical savanna regions. Our data file had no usable wild records, so there is no measured elevation.
🔒 Growing it like that
The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:
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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its CC BY-SA 2.0 licence, unmodified.