Botrychium oneidense — blunt-lobed grapefern
![Comparison: Botrychium oneidense. ~ By Arthur Haines. ~ Copyright © 2025 Arthur Haines. ~ arthur.d.haines[at]gmail.com](https://newfs.s3.amazonaws.com/taxon-images-1000s1000/Ophioglossaceae/botrychium-oneidense-botrychium-dissectum-co-ahaines.jpg)
![Detail of leaf and/or divisions: Botrychium oneidense. ~ By Gordon Morrison. ~ Copyright © 2025 New England Wild Flower Society. ~ Image Request, images[at]newenglandwild.org](https://newfs.s3.amazonaws.com/taxon-images-1000s1000/Ophioglossaceae/botrychium-oneidense-ld-gmorrison.jpg)
![Leaf: Botrychium oneidense. ~ By Arthur Haines. ~ Copyright © 2025 Arthur Haines. ~ arthur.d.haines[at]gmail.com](https://newfs.s3.amazonaws.com/taxon-images-1000s1000/Ophioglossaceae/botrychium-oneidense-le-ahaines-b.jpg)
![Leaf: Botrychium oneidense. ~ By Arthur Haines. ~ Copyright © 2025 Arthur Haines. ~ arthur.d.haines[at]gmail.com](https://newfs.s3.amazonaws.com/taxon-images-1000s1000/Ophioglossaceae/botrychium-oneidense-le-ahaines-c.jpg)
![Plant form: Botrychium oneidense. ~ By Arthur Haines. ~ Copyright © 2025 Arthur Haines. ~ arthur.d.haines[at]gmail.com](https://newfs.s3.amazonaws.com/taxon-images-1000s1000/Ophioglossaceae/botrychium-oneidense-ha-ahaines-a.jpg)
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Facts
Blunt-lobed grapefern is an inhabitant of moist and wet forests and swamps. It occurs in all New England states, but is rare throughout. Young, infertile individuals of this and co-occurring grapefern (Botrychium) species may be difficult to tell apart.
Habitat
Forests, swamps, wetland margins (edges of wetlands)
New England distribution
Adapted from BONAP data
Native: indigenous.
Non-native: introduced (intentionally or unintentionally); has become naturalized.
County documented: documented to exist in the county by evidence (herbarium specimen, photograph). Also covers those considered historical (not seen in 20 years).
State documented: documented to exist in the state, but not documented to a county within the state. Also covers those considered historical (not seen in 20 years).
Note: when native and non-native populations both exist in a county, only native status is shown on the map.
Found this plant? Take a photo and post a sighting.
enlargeCharacteristics
- Habitat
-
- terrestrial
- wetlands
- New England state
-
- Connecticut
- Maine
- Massachusetts
- New Hampshire
- Rhode Island
- Vermont
-
Leaves
- Features of leaves
- there are no special features on the leaves
-
Place
- Habitat
-
- terrestrial
- wetlands
- New England state
-
- Connecticut
- Maine
- Massachusetts
- New Hampshire
- Rhode Island
- Vermont
- Specific habitat
-
- edges of wetlands
- forests
- swamps
Wetland status
Not classified
In New England
Distribution
- Connecticut
- present
- Maine
- present
- Massachusetts
- present
- New Hampshire
- present
- Rhode Island
- present
- Vermont
- present
Conservation status
Exact status definitions can vary from state to state. For details, please check with your state.
- Connecticut
- unrankable (S-rank: SU)
- Maine
- unrankable (S-rank: SU), special concern (code: SC)
- Massachusetts
- extremely rare to rare (S-rank: S1S2), #NAME? (code: #NAME?)
- Rhode Island
- historical (S-rank: SH), state historical (code: SH)
- Vermont
- extremely rare (S-rank: S1)
From Flora Novae Angliae dichotomous key
9. Botrychium oneidense (Gilbert) House NC
blunt-lobed grapefern. Botrychium dissectum Spreng. var. oneidense (Gilbert) Clute; B. multifidum (Gmel.) Rupr. var. oneidense (Gilbert) Farw.; Sceptridium oneidense (Gilbert) Holub • CT, MA, ME, NH, RI, VT. Mesic to hydric soils of forests and swamps.
Native to North America?
Yes
Sometimes confused with
Synonyms
- Botrychium dissectum Spreng. var. oneidense (Gilbert) Clute
- Botrychium multifidum (Gmel.) Rupr. var. oneidense (Gilbert) Farw.
- Sceptridium oneidense (Gilbert) Holub