// SPECIES PROFILE · PERENNIAL · NATIVE

Columbian watermeal

Wolffia columbiana

Columbian watermeal (Wolffia columbiana) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11b.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 41 U.S. states, including AL, AR, CA, CO, CT, DC…
USDA hardiness: Zones 2a–11b
Mature size: —
Sun: —
Water: —
Bloom: —
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Columbian watermeal (Wolffia columbiana) — *Wolffia columbiana* — Columbian watermeal. Photo by Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 1: 449. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc. via Wikimedia Commons (Public domain).

Field Notes

[ growing · ecology · siting · care ]

Columbian watermeal (Wolffia columbiana) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11b.

Why it's on this list: native species profile. Native-range data from the Lady Bird Johnson Wildflower Center (NPIN), cross-checked against iNaturalist observations. Part of Rooted Revival's regional native plant catalog — true natives for Oklahoma, Arkansas, Missouri and Kansas.

Companion Planting

[ guild · polyculture · cross-layer pairings ]

In the same native range, columbian watermeal pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Lady Fern (Athyrium filix-femina), Wild Strawberry (Fragaria virginiana), Yarrow (Achillea millefolium).