Selaginella asprella
A mat-forming spikemoss of rocky mountains in California and northern Baja California, growing in granite and metavolcanic crevices, on cliffs and on gravelly 'pebble plains'. It curls and dries in the summer drought and greens up again with rain or snowmelt. This is a dryland rock plant for a bright, airy trough, not a humid terrarium plant.
Where it grows wild
Rock outcrops, cliff faces, boulder crevices and canyon walls, often in mesic nooks and cracks of granite, metavolcanic, quartzite or limestone rock, and on open pebble plains and ridges among chaparral and montane conifer forest. It forms flat mats of fragile, easily broken stems.
Specimen elevations run from about 730 m to 3100 m, with a median near 1830 m and most between about 950 and 2700 m.
🔒 Growing it like that
The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:
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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.