Cymodocea
{{Short description|Genus of aquatic plants}}
{{automatic taxobox
| image = Cymodocea nodosa.jpg
| image_caption = Blossoming C. nodosa off the coast of Corsica
| taxon = Cymodocea
| authority = K.D.Koenig
| range_map = World map ocean genus Cymodocea.jpg
| synonyms = *Phucagrostis Cavolini, 1792, rejected name, not Willd. 1806
- Phucagrostis Willd. 1806 illegitimate homonym not Cavolini 1792
}}
Cymodocea is a genus in the family Cymodoceaceae described as a genus in 1805.Koenig, Karl Dietrich Eberhard. 1805. Annals of Botany 2: 96{{Cite web|url=http://www.tropicos.org/Name/40019926|title=Tropicos {{!}} Name - !Cymodocea K.D. Koenig|website=www.tropicos.org|access-date=2017-02-03}} It includes three species of sea grass distributed in warm oceans.
Habitat
Cymodocea can be found in clear water and in the high intertidal areas. It is a hardy species and it is adaptable to marginal conditions. Just like other intertidal species, it can commonly be confused with other species of its kind. This species can not handle full exposure at low tide and dry conditions.
Population
Cymodocea is not under any threat to become an endangered species, and it is a widespread species in the locations that it is found. The only threats that can be recorded are coastal development and other anthropogenic activity.
Location
Cymodocea is native to the following countries:{{Cite web|url=http://apps.kew.org/wcsp/namedetail.do?name_id=303775|title=World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew|website=apps.kew.org|language=en-GB|access-date=2017-02-03}}
{{div col}}
- Australia
- China
- Egypt
- India
- Indonesia
- Japan
- Kenya
- Madagascar
- Malaysia
- Malta
- Marshall Islands
- Mayotte
- Micronesia
- Mozambique
- New Caledonia
- Palau
- Papua New Guinea
- Philippines
- Saudi Arabia
- Seychelles
- Singapore
- Tanzania
- Thailand
- United States Minor Outlying Islands
- Vanuatu
- Yemen
{{div col end}}
Species
Three species are accepted.{{cite web |title=Cymodocea K.D.Koenig |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:331180-2 |website=Plants of the World Online |publisher=Royal Botanic Gardens, Kew |access-date=26 May 2025}}
- Cymodocea angustata Ostenf. - northwestern Australia
- Cymodocea nodosa (Ucria) Asch. - Mediterranean from Portugal to Israel; coast of NW Africa as far south as Senegal; Canary Islands
- Cymodocea rotundata Asch. & Schweinf. - shores of Indian Ocean, Red Sea, South China Sea, Pacific Ocean
=Formerly placed here=
- Oceana serrulata {{small|(R.Br.) Byng & Christenh.}} (as Cymodocea serrulata (R.Br.) Asch. & Magnus){{cite web |title=Oceana serrulata (R.Br.) Byng & Christenh. |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77183513-1 |website=Plants of the World Online |publisher=Royal Botanic Gardens, Kew |access-date=26 May 2025}}