// SPECIES PROFILE · PERENNIAL · NATIVE

Bulbous adder's-tongue

Ophioglossum crotalophoroides var. crotalophoroides

Bulbous adder's-tongue (Ophioglossum crotalophoroides var. crotalophoroides) is a perennial in the — family. Native range includes AR, MO, OK. Hardy in zones 5a–11b. Mature size 1"–4".

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 12 U.S. states, including AL, AR, FL, GA, LA, MO…
USDA hardiness: Zones 5a–11b
Mature size: 1"–4"
Sun: —
Water: —
Bloom: —
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Bulbous adder's-tongue (Ophioglossum crotalophoroides var. crotalophoroides) — *Ophioglossum crotalophoroides var. crotalophoroides* — Bulbous adder's-tongue. Photo via iNaturalist — (c) Antonio W. Salas, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Bulbous adder's-tongue (Ophioglossum crotalophoroides var. crotalophoroides) is a perennial in the — family. Native range includes AR, MO, OK. Hardy in zones 5a–11b. Mature size 1"–4".

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, bulbous adder's-tongue pairs naturally with: American Lotus (Nelumbo lutea), Broadleaf Arrowhead (Sagittaria latifolia), Blue-Eyed Grass (Sisyrinchium angustifolium), Butterfly Milkweed (Asclepias tuberosa).