Semantic search
- Bromus pumpellianus subsp. dicksonii
- Bromus pumpellianus subsp. pumpellianus
- Bromus richardsonii
- Bromus riparius
- Bromus sect. Bromopsis
- Bromus sect. Bromus
- Bromus sect. Ceratochloa
- Bromus sect. Genea
- Bromus sect. Neobromus
- Bryobrittonia longipes
- Bryoerythrophyllum recurvirostrum
- Bryum argenteum var. argenteum
- Bryum blindii
- Bryum lanatum
- Calamagrostis
- Calamagrostis canadensis
- Calamagrostis canadensis var. langsdorffii
- Calamagrostis cinnoides
- Calamagrostis deschampsioides
- Calamagrostis epigejos
- Calamagrostis lapponica
- Calamagrostis purpurascens
- Calamagrostis stricta
- Calamagrostis stricta subsp. inexpansa
- Calamagrostis stricta subsp. stricta
- Calamagrostis ×acutiflora
- Calla palustris
- Calliergon cordifolium
- Calliergon giganteum
- Calliergon richardsonii
- Callitriche palustris
- Calypso bulbosa var. americana
- Camelina microcarpa
- Camelina sativa
- Campylium stellatum
- Capsella bursa-pastoris
- Cardamine bellidifolia
- Cardamine nymanii
- Carex adelostoma
- Carex aquatilis
- Carex aquatilis var. aquatilis
- Carex aquatilis var. minor
- Carex atrofusca
- Carex bicolor
- Carex bigelowii
- Carex bigelowii subsp. bigelowii
- Carex bigelowii subsp. lugens
- Carex capillaris
- Carex capitata
- Carex chordorrhiza
- Carex concinna
- Carex diandra
- Carex flava
- Carex garberi
- Carex glacialis
- Carex glareosa
- Carex glareosa subsp. glareosa
- Carex gynandra
- Carex gynocrates
- Carex holostoma
- Carex lachenalii
- Carex leptalea
- Carex magellanica
- Carex magellanica subsp. irrigua
- Carex marina
- Carex maritima
- Carex membranacea
- Carex microglochin
- Carex microglochin subsp. microglochin
- Carex nardina
- Carex norvegica
- Carex rariflora
- Carex rostrata
- Carex rufina
- Carex saxatilis
- Carex sterilis
- Carex subspathacea
- Carex supina
- Carex supina subsp. spaniocarpa
- Carex trisperma
- Carex ursina
- Carex utriculata
- Carex vaginata
- Carex williamsii
- Cassiope tetragona
- Cassiope tetragona subsp. tetragona
- Castilleja elegans
- Castilleja pallida
- Castilleja pallida var. caudata
- Castilleja raupii
- Castilleja septentrionalis
- Catoscopium nigritum
- Cerastium alpinum
- Cerastium alpinum subsp. alpinum
- Cerastium alpinum subsp. lanatum
- Cerastium arcticum
- Cerastium arvense
- Cerastium arvense subsp. strictum
- Cerastium beeringianum
- Cerastium bialynickii