Largeleaf Grass-of-Parnassus
Parnassia grandifolia
In the Carolinas and Georgia, found in seeps and springs. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you
Native to Arkansas. How scores work Is it native here?
Profile 76%
- Height
- Up to about 28 inches
- Light
- Partial shade, Full sun
- Soil moisture
- Moist to wet
No photograph yet. Looking for an old drawing…
At a glance
- Life cycle
- Perennial
Not yet recorded · Spread · Leaves · Bloom
Bloom: NC species account not read yet.
Spread and leaves: no source found yet.
This plant is missing most of its facts, so Quercus is looking them up in old botany books.
Recorded in 7 Arkansas counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Places where groundwater keeps the soil or rock wet, such as seepage slopes and spring runs.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Arkansas. Shared habitat, not food. 100 animals.
- Bald EagleHaliaeetus leucocephalus
- Chimney SwiftChaetura pelagica
- Cliff SwallowPetrochelidon pyrrhonota
- Common NighthawkChordeiles minor
- Dark-eyed JuncoJunco hyemalis
- Eastern KingbirdTyrannus tyrannus
- European StarlingSturnus vulgaris
- Great Horned OwlBubo virginianus
- Mourning DoveZenaida macroura
- OspreyPandion haliaetus
- Red-tailed HawkButeo jamaicensis
- Sharp-shinned HawkAccipiter striatus
- Turkey VultureCathartes aura
- American CrowCorvus brachyrhynchos
- American KestrelFalco sparverius
- Bank SwallowRiparia riparia
- Belted KingfisherMegaceryle alcyon
- Eastern PhoebeSayornis phoebe
- Eurasian Collared-doveStreptopelia decaocto
- Fish CrowCorvus ossifragus
- Northern FlickerColaptes auratus
- Northern Rough-winged SwallowStelgidopteryx serripennis
- Rock PigeonColumba livia
- Rough-legged HawkButeo lagopus
Who uses this plant?
0CaterpillarsGenus host records with ranges including AR
2BeesSoutheastern regional records
Southeastern regional records · Parnassia
Individual names are not available yet.
Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
1Specialist beesPollen specialists
Pollen specialists · Parnassia
- Andrena parnassiae
—BirdsRecorded genus food-resource interactions; not a state feeding claimNo records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Parnassiaceae
- Flower color
- White or green
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Flower color · “White or green” · Lady Bird Johnson Wildflower Center
- Height · “Up to about 28 inches” · Lady Bird Johnson Wildflower Center
- Life cycle · “Perennial” · Lady Bird Johnson Wildflower Center
- Light · “Partial shade; Full sun (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Soil · “Moist; Wet (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
Also known as
Large Leaf Grass of Parnassus; Largeleaf Grass of Parnassus; Limestone Grass of Parnassus
Conservation status
| Arkansas rank | S3 |
|---|---|
| Global rank | G3 |
| AR 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 the Vascular Plants of Arkansas (2013)
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition
- NatureServe Explorer
- Arkansas occurrence source
- 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