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Parnassia palustris L.
marsh grass of Parnassus

General Information
Symbol: PAPA8
Group: Dicot
Family: Saxifragaceae
Duration: Perennial
Growth Habit: Forb/herb
Native Status: AK   N
L48   N
Data Source and Documentation
Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   


click on a thumbnail to view an image, or see all the Parnassia thumbnails at the Plants Gallery

William & Wilma Follette. USDA NRCS. 1992. Western wetland flora: Field office guide to plant species. West Region, Sacramento. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements.

Brother Alfred Brousseau. Provided by St. Mary's College of California. ©St. Mary's College of California. Usage Requirements.

Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. China, Manchuria. Usage Requirements.

©Mary Clay Stensvold. Provided by Smithsonian Institution, Department of Botany. United States, AK, S.E. region, Yakutat area, just N. of Harlequin Lake Outlet. Usage Requirements.

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 213. Provided by Kentucky Native Plant Society. Scanned by Omnitek Inc. Usage Requirements.

USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. Provided by NRCS National Wetland Team. Usage Requirements.




Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Rosidae
Order Rosales
Family Saxifragaceae – Saxifrage family
Genus Parnassia L. – grass of Parnassus
Species Parnassia palustris L. – marsh grass of Parnassus

Subordinate Taxa

The Plants Database includes the following 4 subspecies of Parnassia palustris. Click below on a thumbnail map or name for subspecies profiles.

Legal Status

Threatened and Endangered Information:
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete protected plant list for that location.
marsh grass-of-Parnassus
marsh grass-of-Parnassus

Wetland Status

Interpreting Wetland Status

North America
Alaska FACW
Arid West OBL
Great Plains OBL
Midwest OBL
Northcentral & Northeast OBL
Western Mountains, Valleys, and Coast OBL



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover