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// SPECIES PROFILE · ANNUAL · NATIVE

False mermaidweed

Floerkea proserpinacoides

False mermaidweed (Floerkea proserpinacoides) is a annual in the — family. Native range includes MO — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2a–11a. Mature size 1"–16". Blooms Apr–Jun.

// QUICK FACTS
Family
—
Group
annual
Native range
Native to 31 U.S. states, including CA, CO, CT, DE, IA, ID…
USDA hardiness
Zones 2a–11a
Mature size
1"–16"
Sun
—
Water
—
Bloom
Apr–Jun
Wildlife value
Pollinator and wildlife support
Ecological role
native species profile
False mermaidweed (Floerkea proserpinacoides)
Floerkea proserpinacoides — False mermaidweed. Photo by cassi saari via Wikimedia Commons (CC BY-SA 4.0).

Field Notes

[ growing · ecology · siting · care ]

False mermaidweed (Floerkea proserpinacoides) is a annual in the — family. Native range includes MO — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2a–11a. Mature size 1"–16". Blooms Apr–Jun.

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, false mermaidweed pairs naturally with: Common Sunflower (Helianthus annuus), Swamp verbena (Verbena hastata), Annual ragweed (Ambrosia artemisiifolia var. artemisiifolia), Nodding beggartick (Bidens cernua).

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