Selaginella alstonii

A small spikemoss described in 2015 from the highlands of Minas Gerais, Brazil, at about 1680–1810 m. It is epipetric, growing on rock, with prostrate stems to 10 cm and silvery-green leaf undersides. It resembles the Andean S. acanthostachys. The region has a strong dry winter, but the plants likely grow in moister rocky microsites.

At home, aim for

Day Cool-growingTargets in Plantistry

Night A clear drop at nightTargets in Plantistry

Humidity Humid airBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

The protologue describes it as epipetric, with prostrate to ascending stems up to 10 cm and chartaceous leaves. Some plants sprout vegetatively from the tips of their cones.

It is known from 1676 to 1810 m.

Brazil

🔒 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.