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Rock Spikemoss

Selaginella rupestris

In the Carolinas and Georgia, found in granite flatrocks, other, mostly acidic, rock outcrops, occasionally on greenstone or calcareous shales. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

10
Modest

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

Profile 94%

Height
1–2 inches
Light
Full sun
Soil moisture
Dry to moist
Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
June to September

Not yet recorded · Spread · Leaves

Recorded in 14 Arkansas 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

Glades, barrens and outcrops on limestone

Standing water, Flat Rock Cedar Glades and Barrens SNA, Rutherford County
Standing water on a limestone glade. Shown: Flat Rock Cedar Glades and Barrens State Natural Area, Rutherford County, Tennessee, a neighboring state.Standing water, Flat Rock Cedar Glades and Barrens SNA, Rutherford County, Alan M. Cressler / U.S. Geological Survey, undated. Public domain. Source record.

Granite and other acidic rock outcrops

Bare or thin-soil rock on granite, gneiss, sandstone, quartzite and similar acidic rock, including granite flatrocks and domes.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Arkansas. Shared habitat, not food. 61 animals.

All wildlife of Arkansas

Ecological relationships

Who uses this plant?

What these records mean

0CaterpillarsGenus host records with ranges including AR
0BeesSoutheastern regional records
0Specialist beesPollen specialists
1BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Selaginella

  • Dendragapus obscurusDusky Grouse
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

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

Growing and identification

Plant details

Family
Selaginellaceae
Flower color
Not applicable

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Rock Spike Moss; Selaginella rupestris; spikemoss

Conservation status

Arkansas rankS5
Global rankG5
AR statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources