Fen Grass-of-parnassus

Parnassia glauca

Pollinator Value

🐝 Specialist Bee Host: Andrena parnassiae
S17 Andrena (Cnemidandrena) parnassiae specialist on Parnassia; S68 56 records

Proximity Score: 0
Native Status: ✅ Outaouais ❌ Ottawa ✅ QC ✅ ON
Closest Direction: Local
CEC Eco-Regions: 5 – Northern Forests, 5.2 – Mixed Wood Shield, 5.2.3 – Algonquin/Southern Laurentians
Rarity Notes: Secure in Ontario (S5) but Vulnerable in Quebec (S3), where it is more range-restricted. Globally secure (G5) with IUCN status of Least Concern. Not listed under SARA or COSEWIC. Quebec populations are concentrated in the Gaspesie, Abitibi, and Estrie regions based on herbarium records.
S22 G5, S5 ON, S3 QC; S26 not SARA listed; S54 QC specimens
Rarity Ranks: QC S3 – Vulnerable, ON S5 – Secure
Migration: Stable
Ecological Context: A calcareous fen specialist found in seasonally wet meadows, marly lakeshores, gravelly seeps, and shorelines. Strictly associated with alkaline, calcium-rich substrates where competition is naturally limited. In Michigan, it is the commonest Parnassia species, frequenting calcareous sandy and gravelly shores, interdunal flats, and sedge meadows. An indicator species for high-quality wetland habitats.
S10 calcareous soil; S6 fens, calcareous soils; S7 calcareous shores; S4 bogs, meadows, shorelines

Roles: Fortress/Barrier
S73/S29/S72 Evidence: Fortress/Barrier: S61 keyword match: thorns? (supporting signal only)]

❌ Not Edible

Foraging Notes: No ethnobotanical edibility records found. Not listed in Moerman or PFAF databases.
S28 no uses; S29 empty