Species library › Selaginella › Selaginella breynii
Terrarium Well documented

Selaginella breynii

Selaginella breynii is a widespread lowland spikemoss of Amazonia and the Guiana region, recorded from Brazil (especially around Manaus), Venezuela, Colombia and French Guiana. It grows prostrate on the forest floor, on stream banks, in seasonally flooded forest and at the base of sandstone walls, mostly below 350 m. It is a warm, shade-loving terrarium plant.

At home, aim for
Day Warm-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Very humid airBand in Plantistry
Light ShadeDLI and PPFD in Plantistry
No rest periodGrows in the ground

Where it grows wild

Labels describe it as terrestrial in the forest interior, on the margins of igarapés (forest streams), in seasonally flooded rainforest, at the base of sandstone cliffs by waterfalls, and in semideciduous forest and cerrado-forest transitions. Its stems are prostrate, with rhizophores along their length.

Records run from sea level to about 1,900 m, median about 94 m. The few high records come from the Guayana highlands and the Serranía de La Macarena, where a Colombian record gives 1,700 m.

Brazil (North, Northeast)VenezuelaColombiaGuyanaFrench Guiana

🔒 Growing it like that

The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:

✓ Day and night temperature targets, and the limits it tolerates
✓ Humidity band, and how to hold it
✓ Light as DLI and PPFD for a grow light
✓ Wet and dry seasons, and whether to rest it
✓ Substrate and airflow
✓ A step-by-step setup to grow it like the wild

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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.