Selaginella adunca

A rare spikemoss of the dry western Himalaya (Uttarakhand, Himachal Pradesh and western Nepal), listed as Near Threatened in Nepal. Labels describe it in crevices of dry cliffs, on vertical rocks and among stones on hot, dry open slopes at about 1200–2450 m. It is a xeric rock plant, not a terrarium plant: grow it bright and airy, with a dry winter.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

It grows in crevices of dry cliffs, on vertical rocks, and among stones on dry, hot, open slopes in the Karnali valley and western Himalaya. It has erect stems 10–25 cm tall with fan-shaped, much-branched branches.

Labels give 1219–2438 m. The climate uses a single 1372 m site, so higher populations are colder in winter.

NepalIndiaTibetChina South-Central

🔒 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.