© Omar Monzon Carmona · CC BY-NC
iNaturalist — CC, credited & licensed per image
Dryopteridaceae family
Halfnetfern Hemidictyum marginatum
Native
Halfnetfern is a perennial fern native to Puerto Rico.
More about this plant
Hemidictyum is a genus of ferns with a single species, Hemidictyum marginatum, commonly known as the marginated half net fern. In the Pteridophyte Phylogeny Group classification of 2016, it is the only genus in the family Hemidictyaceae. Alternatively, the family, along with Aspleniaceae sensu stricto, may be placed in a much more broadly defined family Aspleniaceae as the subfamily Asplenioideae. Wikipedia →
Growing & care
USDA PLANTS · TRY Size & form
Sources · Size & form
USDA PLANTS — Lifespan
- Lifespan
- Perennial
In the garden
Herb layer — Sits in the herb of a layered food forest or polyculture.Open guide →
Rain garden / bioswale — Rated OBL on the wetland list — tolerates wet feet, so it suits the soggy zone of a rain garden or bioswale that catches and filters runoff.Open guide →
derived roles
Species characteristics from USDA PLANTS (public domain) + TRY (CC BY) — general guidance, not a
guarantee for your exact site. Deer "browsing" is documented palatability, not a deer-proof claim.
Related plants
More Hemidictyum →
Native
Acacia Fringedfern
Lomariopsis sorbifolia
●○○○○ 
Native
Ainahou Valley Woodfern
Dryopteris subbipinnata
●○○○○ 
Native
Akolea
Athyrium microphyllum
●○○○○ 
Native
Alaska Hollyfern
Polystichum setigerum
●○○○○ 
Native
Aleutian Holly Fern
Polystichum aleuticum
●○○○○ 
Native
Alpine Ladyfern
Athyrium americanum
●○○○○ Same genus / family, ranked by ecological value — from the PlantKey catalog
Sources for this entry (8) Open & cited
[01] Scientific name & family — USDA PLANTS (DwCA, Zenodo 17903503)
[02] Growth habit & duration — USDA PLANTS (DwCA, Zenodo 17903503)
[03] Native status & distribution — USDA PLANTS (DwCA, Zenodo 17903503)
[04] Common name — USDA PLANTS (via GBIF)
[05] Invasive / introduced status — USDA PLANTS (DwCA, Zenodo 17903503) — native status
[06] Wetland indicator — USACE National Wetland Plant List (2022)
[07] Photos — iNaturalist — CC, credited per image
[08] Description — Wikipedia (CC BY-SA)
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Cite this page Open data, please attribute
PlantKey’s data is open under CC BY-SA 4.0 — free to reuse and adapt, with attribution and the same licence. Photos keep their own per-image licence + credit (see Sources above).
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