Selaginella guihaia

Selaginella guihaia is an upright spikemoss 20–50 cm tall, described in 2017 from southern China (Guangxi, Hainan) and northern Vietnam around the Gulf of Tonkin. Its leaves have a distinctive white margin about three cells wide. It grows in evergreen broad-leaved forest and wants a humid, shaded terrarium with a mild winter cool-down.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light ShadeDLI and PPFD in Plantistry

No rest periodGrows in the ground

Where it grows wild

It is a terrestrial species of evergreen broad-leaved forest at 250–1000 m, according to the original description. It is an evergreen spikemoss that stands suberect or rises from a sprawling base, with branched rhizophores.

The protologue gives 250–1000 m. The specimens examined were collected at 200–1000 m.

China SoutheastHainanVietnam

🔒 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.