Quercus

North Carolina › Hymenophyllaceae › Didymoglossum

Dwarf Filmy-fern

Didymoglossum petersii (also Trichomanes petersii)
5
Modest
Quercus Score for North Carolina · 5 of 5 factor datasets used; missing records do not prove absence (genus-level)

Native. The Didymoglossum genus feeds 0 caterpillar species in NC, draws 0 bee species in the Southeast; no bird feeding interactions are recorded for this genus in the North American dataset. Few records for caterpillars and bees and birds. Adjusted -8 because this species is less common in NC than others in its genus.

Rare in NC: buy nursery-propagated plants only

Insect resources, birds and habitat

Bars show recorded counts on a linear scale. Each category runs from zero to its largest count in this NC plant catalog; the same scale applies across plant pages. Compare plants within a category, not bar lengths across categories. Zero records may mean missing research. Growth form is shown as text.

Caterpillars
0 spp. on genus (NC)
Scale: 0–496
Bees
0 spp. on genus (Southeast)
Scale: 0–176
Specialists
0 specialist bee spp. (East)
Scale: 0–45
Birds
0 recorded bird spp. (N. America)
Scale: 0–58
Structure
Forb/herb
Soil
not yet scored

Additional insect evidence

Bar length follows recorded-name count on the displayed scale, not ecological importance. Unknown is not zero support. Flower visits do not confirm feeding or pollination. Named insects may include historical or unresolved names.

Ants
unknown: no matched records
Scale: 0–20
Beetles
unknown: no matched records
Scale: 0–12
Flies
unknown: no matched records
Scale: 0–74
Adult butterflies / moths
unknown: no matched records
Scale: 0–15
Other wasps
unknown: no matched records
Scale: 0–75
Other insects
unknown: no matched records
Scale: 0–5

Provisional additional insect credit: +0 (maximum 5). Scoring rule and limitations. Study references and interaction records are included in this plant’s data record.

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Overwintering: no reviewed hardiness guidance loaded. Heat tolerance is not assessed.

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How Fit works · Agent packet

NC status (state rank)S2 · SR-T
Grows inwet or dry ground (wetland occurrence proxy: FAC; not a measured watering requirement)
Soil pH rangeno data
Lightno data
Recorded in NCMountains; recorded in 2 counties (USDA)
Single-host caterpillars on genus0
How the number was setBase score 8, adjusted -8 for how common the species is in NC. Scoring uses relative ranks; display bars show counts. Caterpillar, bee and bird data are by genus.
Sources

Machine-readable: didymoglossum-petersii.json. Cite as: Quercus Score v0.6.4, Didymoglossum petersii, North Carolina, 2026-09-24.

Quercus Score v0.6.4 · built 2026-09-24 · North Carolina beta · sources and limitations on every page