Long-stem Adder's-tongue
Ophioglossum petiolatum
Found in maritime wet grasslands, wet pine flatwoods, moist ditch banks, and grassy roadside flats. Weakley, Flora of the Southeastern United States (2025), Florida edition What its natural habitat tells you
Native to Florida. How scores work Is it native here?
Profile 71%
- Height
- Up to about 4 inches
- Light
- Full sun
- Soil moisture
- Dry to wet
No photograph yet. Looking for an old drawing…
At a glance
- Life cycle
- Perennial
Not yet recorded · Spread · Leaves
Recorded in 57 Florida counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

Flat, sandy Coastal Plain pine woodlands, wetter than sandhills and denser than savannas.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Florida. Shared habitat, not food. 90 animals.
- American Black DuckAnas rubripes
- American CrowCorvus brachyrhynchos
- American GoldfinchCarduelis tristis
- American RobinTurdus migratorius
- American WoodcockScolopax minor
- Bachman's SparrowAimophila aestivalis
- Bald EagleHaliaeetus leucocephalus
- Barred OwlStrix varia
- Black VultureCoragyps atratus
- Black-and-White WarblerMniotilta varia
- Black-crowned Night-heronNycticorax nycticorax
- Blue GrosbeakPasserina caerulea
- Blue JayCyanocitta cristata
- Blue-gray GnatcatcherPolioptila caerulea
- Brown CreeperCerthia americana
- Brown ThrasherToxostoma rufum
- Brown-headed NuthatchSitta pusilla
- Carolina ChickadeePoecile carolinensis
- Carolina WrenThryothorus ludovicianus
- Cedar WaxwingBombycilla cedrorum
- Chimney SwiftChaetura pelagica
- Chipping SparrowSpizella passerina
- Common GrackleQuiscalus quiscula
- Common NighthawkChordeiles minor
Who uses this plant?
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Ophioglossaceae
- Flower color
- Not applicable
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Flower color · “Not applicable” · Lady Bird Johnson Wildflower Center
- Height · “Up to about 4 inches” · Lady Bird Johnson Wildflower Center
- Life cycle · “Perennial” · Lady Bird Johnson Wildflower Center
- Light · “Full sun (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Soil · “Dry; Moist; Wet (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
Also known as
Long stem Adder's tongue
Conservation status
| Florida rank | SNR |
|---|---|
| Global rank | G5 |
| FL status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- Atlas of Florida Plants
- USDA PLANTS
- Weakley, Flora of the Southeastern United States (2025), Florida edition
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications

























