Catapodium rigidum
{{Short description|Species of plant}}
{{Speciesbox
|image=Catapodium rigidum 2.jpg
|image_caption=habit
|genus=Catapodium
|species=rigidum
|synonyms_ref={{cite POWO |id=395167-1 |title=Catapodium rigidum (L.) C.E.Hubb. |access-date=23 March 2022}}
|synonyms={{Collapsible list|
- Catapodium hemipoa {{small|(Delile ex Spreng.) Laínz}}
- Catapodium hemipoa subsp. occidentale {{small|(Paunero) H.Scholz & S.Scholz}}
- Catapodium occidentale {{small|Paunero}}
- Catapodium rigidum subsp. majus {{small|(C.Presl) F.H.Perring & P.D.Sell}}
- Catapodium rigidum f. robustum {{small|(Duval-Jouve) O.Bolòs & Vigo}}
- Catapodium rigidum subsp. spicatum {{small|(Trab.) Rivas Mart.}}
- Catapodium rigidum var. spicatum {{small|(Trab.) O.Bolòs & Vigo}}
- Catapodium zwierleinii {{small|(Lojac.) Brullo}}
- Desmazeria rigida {{small|(L.) Tutin}}
- Desmazeria rigida subsp. hemipoa {{small|(Delile ex Spreng.) Stace}}
- Desmazeria rigida var. major {{small|(C.Presl) Stace}}
- Desmazeria rigida var. spicata {{small|(Trab.) O.Bolòs & Vigo}}
- Diplachne rigida {{small|(L.) Chapm.}}
- Festuca divaricata {{small|Roth}}
- Festuca hemipoa {{small|Delile ex Spreng.}}
- Festuca maritima subsp. hemipoa {{small|(Delile ex Spreng.) Ball}}
- Festuca rigens {{small|Trin. ex Steud.}}
- Festuca rigida {{small|(L.) Raspail}}
- Glyceria rigida {{small|(L.) Sm.}}
- Megastachya pulchella {{small|Roem. & Schult.}}
- Megastachya rigida {{small|(L.) Roem. & Schult.}}
- Poa cristata {{small|Walter}}
- Poa hemipoa {{small|(Delile ex Spreng.) Loret & Barrandon}}
- Poa pulchella {{small|Steven ex M.Bieb.}}
- Poa rigida {{small|L.}}
- Sclerochloa filiformis {{small|Tornab.}}
- Sclerochloa hemipoa {{small|(Delile ex Spreng.) Guss.}}
- Sclerochloa patens {{small|C.Presl}}
- Sclerochloa racemosa {{small|(Sennen) Sennen}}
- Sclerochloa rigida {{small|(L.) Link}}
- Sclerochloa rigida var. major {{small|C.Presl}}
- Sclerochloa zwierleinii {{small|Lojac.}}
- Scleropoa hemipoa {{small|(Delile ex Spreng.) Parl.}}
- Scleropoa racemosa {{small|Sennen}}
- Scleropoa rigida {{small|(L.) Griseb.}}
- Scleropoa rigida subsp. hemipoa {{small|(Delile ex Spreng.) Bonnier & Layens}}
- Scleropoa subspicata {{small|Sennen}}
- Scleropoa villaris {{small|Sennen & Mauricio}}
- Synaphe rigida {{small|(L.) Dulac}}
- Triticum hemipoa {{small|(Delile ex Spreng.) Delile ex Ten.}}
}}}}
Catapodium rigidum, ferngrass, is a species of annual grass in the family Poaceae (true grasses), distributed around the Mediterranean and the Middle East. It has been widely introduced throughout drier parts of the world, including parts of North America, South America, South Africa, Korea, Australia, and New Zealand. Individuals can reach {{cvt|20|cm|in|0}}.{{Cite web |title=Catapodium rigidum (L.) C.E.Hubb. - Encyclopedia of Life |url=https://eol.org/pages/1115324|access-date=2022-02-04 |website=eol.org}}
Identification
File:Catapodium rigidum rhachis.jpg
Fern-grass can be difficult to distinguish from sea fern-grass in places where they occur together, but it has a more open panicle and the stalk to the inflorescence is ridged, whereas it is rounded on one side in sea fern-grass.{{cite book |last1=Cope |first1=Tom |last2=Gray |first2=Alan |title=Grasses of the British Isles |date=2009 |publisher=Botanical Society of the British Isles |location=London |isbn=978-0-901158-420 }}{{cite book |last1=Stace |first1=C.A. |title=New Flora of the British Isles |date=2019 |location=Suffolk |publisher=C&M Floristics |edition=4th |isbn=978-1-5272-2630-2}}
Subtaxa
File:Catapodium rigidum illustration (01) (cropped).jpg
The following subtaxa are accepted:
- Catapodium rigidum subsp. hemipoa {{small|(Delile ex Spreng.) Kerguélen}} - more narrowly distributed from Macaronesia and the Mediterranean to Iran
- Catapodium rigidum var. majus {{small|(C.Presl) M.Laínz}} - Middle East
- Catapodium rigidum subsp. rigidum – entire range, including introductions
References
{{Reflist}}
{{Taxonbar|from=Q12346079}}
Category:Flora of North Africa
Category:Flora of Great Britain
Category:Flora of Southwestern Europe
Category:Flora of the Netherlands
Category:Flora of the Crimean Peninsula
Category:Flora of the Caucasus
Category:Flora of Western Asia
Category:Flora of the Arabian Peninsula
{{Pooideae-stub}}