Editing Cochlearia (section)

==Selected species==
About 30 species are usually accepted; several others usually treated as subspecies of ''C. officinalis'' are accepted as distinct species by some botanists.

*''[[Cochlearia acutangula]]''
*''[[Cochlearia aestuaria]]'' – Estuarine scurvy-grass
*''[[Cochlearia alatipes]]''
*''[[Cochlearia anglica]]'' – English scurvy-grass
*''[[Cochlearia aragonensis]]''
*''[[Cochlearia changhuaensis]]''
*''[[Cochlearia cyclocarpa]]'' – Roundfruit scurvy-grass
*''[[Cochlearia danica]]'' – Early or Danish scurvy-grass
*''[[Cochlearia fenestrata]]'' – Arctic scurvy-grass
*''[[Cochlearia formosana]]''
*''[[Cochlearia excelsa]]''
*''[[Cochlearia fumarioides]]''
*''[[Cochlearia furcatopilosa]]''
*''[[Cochlearia glastifolia]]''
*''[[Cochlearia groenlandica]]'' – Greenland scurvy-grass
*''[[Cochlearia henryi]]''
*''[[Cochlearia hui]]''
*''[[Cochlearia lichuanensis]]''
*''[[Cochlearia longistyla]]''
*''[[Cochlearia megalosperma]]''
*''[[Cochlearia microcarpa]]''
*''[[Cochlearia oblongifolia]]'' – East Asian scurvy-grass
*''[[Cochlearia officinalis]]'' – Common scurvy-grass (including ''C. excelsa'', ''C. pyrenaica'', ''C. scotica'')<ref>{{cite web|url=http://www.pfaf.org/user/Plant.aspx?LatinName=Cochlearia+officinalis|title=Cochlearia officinalis Scurvy Grass, Spoonwort PFAF Plant Database|work=pfaf.org|access-date=14 September 2015}}</ref>
*''[[Cochlearia paradoxa]]''
*''[[Cochlearia rivulorum]]''
*''[[Cochlearia rupicola]]''
*''[[Cochlearia sessilifolia]]'' – Sessile-leaved or Alaskan scurvy-grass
*''[[Cochlearia sinuata]]''
*''[[Cochlearia tatrae]]''
*''[[Cochlearia tridactylites]]'' – Three-fingered scurvy-grass
*''[[Cochlearia warburgii]]''

Two species formerly included in the genus ''Cochlearia'' are now usually treated in separate genera:
* [[Horseradish]] ''Armoracia rusticana'' (previously ''Cochlearia armoracia'')
* [[Wasabi]] ''Wasabia japonica'' (previously ''Cochlearia wasabi'')

Cook's scurvy grass, ''[[Lepidium oleraceum]]'', was used by [[James Cook]] to prevent [[scurvy]], but is now almost extinct.