Haloragaceae

Intermediate mermaidweed

Proserpinaca intermedia Mack.

Family: Haloragaceae
Genus: Proserpinaca

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Intermediate mermaidweed (Proserpinaca intermedia) — Photo: Will McFarland, CC BY 4.0, from iNaturalist

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Common names

By language (1)

English: Intermediate mermaidweed

Characteristics

Growth habit: Forb/herb
Lifespan: Perennial
In the US and Canada: Canada: native, Lower 48 states: native

Photos

Photo: Will McFarland, CC BY 4.0, from iNaturalist
Photo: Will McFarland, CC BY 4.0, from iNaturalist
Photo: Will McFarland, CC BY 4.0, from iNaturalist
Photo: Will McFarland, CC BY 4.0, from iNaturalist

More in Proserpinaca

Marsh mermaidweedProserpinaca palustrisHaloragaceae
Combleaf mermaidweedProserpinaca pectinataHaloragaceae

Sources: classification from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.