Osmunda claytoniana Interrupted Fern
Native To: New York City Wetland Indicator: FAC Soil: pH 4. 0 - 6.0
Form/Color Perennial, large, coarse, pinnate fronds, Stormwater Insufficient information to determine
2 - 4', spores May-June. Tolerance: tolerance.
Urban Adapted to medium and fine soils,
Tolerance: moderate tolerance of soil
compaction.
Habitat: Moist to somewhat dry open woods, rocky
or sandy acid soils.
Ecosystem Used infrequently by wildlife.
Services:
Hydrology: Low tolerance to drought, prefers moist
soil.
Ornamental Large pinnate fronds. Fertile pinnae
Value: interrupting the fronds. Compatibility: Slow seed spread rate, rapid
vegetative spread rate.
Salt Intolerant of salt.
Tolerance: Other:
Shade Tolerant of partial shade.
Tolerance:
Osmunda regalis Royal Fern
Native To: New York City Wetland Indicator: OBL Soil: pH 4.0-7.0
Form/Color Perennial, fine, bipinnate fronds, to 2-6', Stormwater Insufficient information to determine
spores May-June. Tolerance: tolerance.
Urban Adapted to coarse, medium, and fine
Tolerance: soils, moderate tolerance of soil
compaction.
Habitat: Stream banks, freshwater tidal marshes,
swamp forests, vernal pond margins,
shallow water to wet soil, prefers acid soil. Ecosystem
Services:
Hydrology: Tolerant of flooding and drought.
Ornamental Fine fronds. Delicate soft green fertile
Value: fronds. Compatibility: Rapid vegetative spread.
Salt Intolerant of salt.
Tolerance: Other: Slow grower. Used for restoration of
swamp forest habitats, woodland
Shade Tolerant of light shade. pond edges, stream banks.
Tolerance: