States
North CarolinaTennesseeGeorgiaSouth CarolinaKentuckyAlabamaFloridaVirginia
Menu

Dwarf Filmy-fern

Didymoglossum petersii

Found in seeps and springs; granite and other acidic rock outcrops. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

8
Modest

Native to Alabama. How scores work Is it native here?

Profile 59%

Light
Full shade
Soil moisture
Dry to wet
Will it fit your yard?

Rare or protected plant. Specialist conservation planting; excluded from routine garden suggestions. Plant caution source

Hidden from default planting suggestions. Wildlife value and native status remain unchanged.

At a glance

Life cycle
Perennial
Bloom
June to August

Not yet recorded · Height · Spread · Leaves

Height: NC species account not read yet.

Spread and leaves: no source found yet.

This plant is missing most of its facts, so Quercus is looking them up in old botany books.

Recorded in 14 Alabama counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 2

Granite and other acidic rock outcrops

Solution pits, Davidson-Arabia Mountain Nature Preserve, DeKalb County
Solution pits on granite. Shown: Davidson-Arabia Mountain Nature Preserve, DeKalb County, Georgia, a neighboring state.Solution pits, Davidson-Arabia Mountain Nature Preserve, DeKalb County, Alan M. Cressler / U.S. Geological Survey, undated. Public domain. Source record.

Seeps and springs

Places where groundwater keeps the soil or rock wet, such as seepage slopes and spring runs.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

0CaterpillarsGenus host records with ranges including AL
0BeesSoutheastern regional records
0Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claim

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Hymenophyllaceae
Flower color
Not applicable
Growing sources and scope
Also known as

Dwarf Bristle Fern; Dwarf Filmy Fern; Trichomanes petersii

Conservation status

Alabama rankS2
Global rankG4
AL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

Will it fit your yard?

Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.

Choose a county to begin.

How to check your spot

Sources