Index / Search / Polypodium ×incognitum
§1 Plant
Polypodium ×incognitum Cusick [appalachianum × virginianum]
vernacular Hybrid rock polypody — species · Polypodiaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Fern
- Family
- Polypodiaceae J. Presl & C. Presl
- Genus
- Polypodium
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
County-level range
· 73 counties across 7 states/territories§3Cultivation
No cultivation specs.
USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.
§4Counties, by state
Recorded in 73 counties across 7 states/territories.
Massachusetts view state ↗ 11 N ▾
New Hampshire view state ↗ 2 N ▾
New Jersey view state ↗ 9 N ▾
New York view state ↗ 1 N ▾
Ohio view state ↗ 1 N ▾
Pennsylvania view state ↗ 45 N ▾
- Adams 42001
- Armstrong 42005
- Beaver 42007
- Bedford 42009
- Berks 42011
- Bradford 42015
- Bucks 42017
- Butler 42019
- Carbon 42025
- Centre 42027
- Chester 42029
- Clarion 42031
- Clinton 42035
- Columbia 42037
- Crawford 42039
- Dauphin 42043
- Delaware 42045
- Erie 42049
- Fayette 42051
- Forest 42053
- Franklin 42055
- Fulton 42057
- Greene 42059
- Huntingdon 42061
- Indiana 42063
- Juniata 42067
- Lancaster 42071
- Lawrence 42073
- Lehigh 42077
- Lycoming 42081
- Mifflin 42087
- Montgomery 42091
- Montour 42093
- Northampton 42095
- Northumberland 42097
- Potter 42105
- Snyder 42109
- Somerset 42111
- Sullivan 42113
- Union 42119
- Venango 42121
- Warren 42123
- Westmoreland 42129
- Wyoming 42131
- York 42133
Rhode Island view state ↗ 4 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/POIN6 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5649726 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T16:37:38Z