Semantic search
- Carex backii (Elevation: 200–2100 m)
- Carex baileyi (Elevation: 200–1200 m)
- Carex baltzellii (Elevation: 0–100 m)
- Carex barbarae (Elevation: 0–1000 m)
- Carex barrattii (Elevation: 0–500 m)
- Carex basiantha (Elevation: 50–1000 m)
- Carex bebbii (Elevation: 0–2100 m)
- Carex bella (Elevation: 2800–3900 m)
- Carex bicknellii (Elevation: 50–400 m)
- Carex bicolor (Elevation: 0–500 m)
- Carex bigelowii
- Carex bigelowii subsp. bigelowii (Elevation: 0–2000 m)
- Carex bigelowii subsp. lugens (Elevation: 0–1500 m)
- Carex biltmoreana (Elevation: 850–1600 m)
- Carex blanda (Elevation: 0–1000 m)
- Carex bolanderi (Elevation: 30–2500 m)
- Carex bonanzensis (Elevation: 50–900 m)
- Carex brainerdii (Elevation: 600–2800 m)
- Carex brevicaulis (Elevation: 0–90 m)
- Carex brevior (Elevation: 0–2700 m)
- Carex breweri (Elevation: above 2500 m in Calif., above 2000 m in Oreg.)
- Carex bromoides
- Carex bromoides subsp. bromoides (Elevation: 0–500(–1100) m)
- Carex bromoides subsp. montana (Elevation: (400–)800–1400 m)
- Carex brunnescens
- Carex brunnescens subsp. brunnescens (Elevation: 0–3500 m)
- Carex brunnescens subsp. sphaerostachya (Elevation: 0–3500 m)
- Carex brysonii (Elevation: 90–200 m)
- Carex bulbostylis (Elevation: 30–300 m)
- Carex bullata (Elevation: 0–1100 m)
- Carex bushii (Elevation: 0–500 m)
- Carex buxbaumii (Elevation: 20–3000 m)
- Carex calcifugens (Elevation: 0–40 m)
- Carex californica (Elevation: 0–2100 m)
- Carex canescens
- Carex canescens subsp. canescens (Elevation: 0–3500 m)
- Carex canescens subsp. disjuncta (Elevation: 0–3500 m)
- Carex capillaris (Elevation: 0–3500 m)
- Carex capitata (Elevation: 20–3400 m)
- Carex careyana (Elevation: 100–600 m)
- Carex caroliniana (Elevation: 0–500 m)
- Carex caryophyllea (Elevation: 0–100 m)
- Carex castanea
- Carex cephaloidea (Elevation: 20–300 m)
- Carex cephalophora (Elevation: 50–500 m)
- Carex chalciolepis (Elevation: 3000–4000 m)
- Carex chapmanii (Elevation: 0–50 m)
- Carex cherokeensis
- Carex chihuahuensis (Elevation: 1000–3000 m)
- Carex chordorrhiza (Elevation: 0–1500 m)