Semantic search
- Carex stenoptila (Elevation: 2400–2900 m)
- Carex sterilis (Elevation: 0–800 m)
- Carex stevenii (Elevation: 2400–3500 m)
- Carex stipata
- Carex stipata var. maxima (Elevation: 0–1500 m)
- Carex stipata var. stipata (Elevation: 0–1700 m)
- Carex straminea (Elevation: 0–400 m)
- Carex straminiformis (Elevation: 1900–3800 m)
- Carex striata (Elevation: 0–100 m)
- Carex striatula (Elevation: 0–600 m)
- Carex stricta (Elevation: 0–1600 m)
- Carex styloflexa (Elevation: 0–1000 m)
- Carex stylosa (Elevation: 0–1300 m)
- Carex subbracteata (Elevation: 0–900 m)
- Carex suberecta (Elevation: 100–600 m)
- Carex subfusca (Elevation: 100–3500 m)
- Carex subnigricans (Elevation: above 2500 m)
- Carex subspathacea (Elevation: 0–300 m)
- Carex superata (Elevation: 50–500 m)
- Carex supina
- Carex supina subsp. spaniocarpa (Elevation: 10–1300 m)
- Carex swanii (Elevation: 0–1000 m)
- Carex sychnocephala (Elevation: less than 1500 m)
- Carex sylvatica
- Carex tahoensis (Elevation: 600–3700 m)
- Carex tenax (Elevation: 0–200 m)
- Carex tenera
- Carex tenera var. echinodes (Elevation: 100–300 m)
- Carex tenera var. tenera (Elevation: 0–1000 m)
- Carex tenuiflora (Elevation: 0–1400 m)
- Carex tetanica (Elevation: 20–1000 m)
- Carex tetrastachya (Elevation: 0–300 m)
- Carex texensis (Elevation: 50–300 m)
- Carex thornei (Elevation: 40–100 m)
- Carex thurberi (Elevation: 1100–1800 m)
- Carex timida (Elevation: 200–500 m)
- Carex tincta (Elevation: 80–400 m)
- Carex tompkinsii (Elevation: 1000–1700 m)
- Carex tonsa
- Carex tonsa var. rugosperma (Elevation: 50–1000 m)
- Carex tonsa var. tonsa (Elevation: 50–1000 m)
- Carex torreyi (Elevation: 200–2500 m)
- Carex torta (Elevation: 0–1500 m N.B., N.S., Ont., Que.)
- Carex triangularis (Elevation: 0–600 m)
- Carex tribuloides
- Carex tribuloides var. sangamonensis (Elevation: 20–600 m)
- Carex tribuloides var. tribuloides (Elevation: 20–600 m)
- Carex trichocarpa (Elevation: 50–900 m)
- Carex triquetra (Elevation: 0–600 m)
- Carex trisperma (Elevation: 0–1300 m)