*Selaginella* sp. Costa Rica is an unidentified tropical lycophyte in cultivation, with the name used as a locality label rather than a species ID. It forms dense, flattened sprays of dark green foliage with finely divided, overlapping leaves along branching stems. Growth stays low and spreading, making it suitable for terrariums, enclosed cabinets, or humid planted displays.

You will receive a single cutting, grower’s choice. Listing photos are representative of the approximate size and form you will receive.

**Light Requirements:** Low to bright indirect light. Avoid direct sun.
**Humidity Requirements:** High, 70–90 percent. Keep evenly humid for steady growth.
**Temperature Range:** 65–85°F (18–29°C). Keep above 60°F (16°C).
**Growth Habit:** Low, spreading lycophyte with compact, branching sprays of foliage.
**Soil:** Moisture-retentive but airy substrate with sphagnum, fine bark, or a fine tropical mix.
**pH:** Slightly acidic, approximately 5.0–6.5.
**Size:** Individual sprays are typically 3–8 cm long; colonies spread gradually under stable humidity and moisture.