Semantic search
- Carex adusta (Elevation: 0–400 m)
- Carex aestivalis (Elevation: 0–1600 m)
- Carex aggregata (Elevation: 50–300 m)
- Carex alata (Elevation: 0–400 m)
- Carex albicans
- Carex albicans var. albicans (Elevation: 50–800 m)
- Carex albicans var. australis (Elevation: 10–200 m)
- Carex albicans var. emmonsii (Elevation: 50–900 m)
- Carex albida (Elevation: less than 90 m)
- Carex albolutescens (Elevation: 0–300 m)
- Carex albonigra (Elevation: 300–3900 m)
- Carex albursina (Elevation: 100–1200 m)
- Carex alma (Elevation: 600–2700 m)
- Carex alopecoidea (Elevation: 0–1500 m)
- Carex amphibola (Elevation: 10–1000 m)
- Carex amplectens (Elevation: 1200–2100 m)
- Carex amplifolia (Elevation: 0–2400 m)
- Carex angustata (Elevation: 300–2300 m)
- Carex annectens (Elevation: 0–1500 m)
- Carex anthoxanthea (Elevation: 10–1000 m)
- Carex aperta (Elevation: 0–900 m)
- Carex appalachica (Elevation: 100–1000 m)
- Carex aquatilis
- Carex aquatilis var. aquatilis (Elevation: 0–3000 m)
- Carex aquatilis var. dives (Elevation: 0–900 m)
- Carex aquatilis var. minor (Elevation: 0–600 m)
- Carex aquatilis var. substricta (Elevation: 0–1000 m)
- Carex arapahoensis (Elevation: 3400–4000 m)
- Carex arcta (Elevation: 0–2000 m)
- Carex arctata
- Carex arctiformis (Elevation: 0–50 m)
- Carex arenaria
- Carex argyrantha (Elevation: 0–700+ m)
- Carex arkansana (Elevation: 100–500 m)
- Carex assiniboinensis
- Carex atherodes (Elevation: 50–2800 m)
- Carex athrostachya (Elevation: 100–4000 m)
- Carex atlantica
- Carex atlantica subsp. atlantica (Elevation: 0–1300 m)
- Carex atlantica subsp. capillacea (Elevation: 0–300 m)
- Carex atrata (Elevation: 10–700 m)
- Carex atratiformis (Elevation: 10–1500 m)
- Carex atrofusca (Elevation: 10–300 m)
- Carex atrosquama (Elevation: 300–3600 m)
- Carex aurea (Elevation: 0–3000 m)
- Carex aureolensis (Elevation: 0–500 m)
- Carex austrina (Elevation: 100–500 m)
- Carex austrocaroliniana (Elevation: 100–800 m)
- Carex backii (Elevation: 200–2100 m)
- Carex baileyi (Elevation: 200–1200 m)