Catapodium rigidum(L.) C.E.Hubb.

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WFO wfo-0000858509 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h · 8 separate observations

Catapodium rigidum, photographed by Daniel Cahen
fig. a Daniel Cahen, CC BY 4.0 / 2022-06-12 / obs. 205538803

Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.

Native range 43 botanical countries

Regions where Catapodium rigidum is native: Algeria, Azores, Canary Is., Djibouti, Egypt, Libya, Madeira, Morocco, Tunisia, Cyprus, East Aegean Is., Iran, Iraq, Lebanon-Syria, North Caucasus, Oman, Palestine, Saudi Arabia, Sinai, Transcaucasus, Türkiye, Yemen, Albania, Baleares, Belgium, Bulgaria, Corse, France, Germany, Great Britain, Greece, Ireland, Italy, Kriti, Krym, Netherlands, NW. Balkan Pen., Portugal, Sardegna, Sicilia, Spain, Switzerland, Türkiye-in-Europe AlgeriaDjiboutiEgyptLibyaMoroccoTunisiaCyprusEast Aegean Is.IranIraqLebanon-SyriaNorth CaucasusOmanPalestineSaudi ArabiaSinaiTranscaucasusTürkiyeYemenAlbaniaBelgiumBulgariaCorseFranceGermanyGreeceIrelandItalyKritiKrymNetherlandsNW. Balkan Pen.PortugalSiciliaSpainSwitzerlandTürkiye-in-Europe AzoresCanary Is.MadeiraBalearesSardegna
Native distribution of Catapodium rigidum, after Kew’s World Checklist of Vascular Plants. Introduced, extinct and doubtful records are excluded, so this is where the plant is from, not everywhere it now grows. Regions too small to draw at this scale are marked with a dot.
RegionTDWG codeContinent
Albania ALB EUROPE
Baleares BAL
Belgium BGM
Bulgaria BUL
Corse COR
France FRA
Germany GER
Great Britain GRB
Greece GRC
Ireland IRE
Italy ITA
Kriti KRI
Krym KRY
Netherlands NET
NW. Balkan Pen. YUG
Portugal POR
Sardegna SAR
Sicilia SIC
Spain SPA
Switzerland SWI
Türkiye-in-Europe TUE
Cyprus CYP ASIA-TEMPERATE
East Aegean Is. EAI
Iran IRN
Iraq IRQ
Lebanon-Syria LBS
North Caucasus NCS
Oman OMA
Palestine PAL
Saudi Arabia SAU
Sinai SIN
Transcaucasus TCS
Türkiye TUR
Yemen YEM
Algeria ALG AFRICA
Azores AZO
Canary Is. CNY
Djibouti DJI
Egypt EGY
Libya LBY
Madeira MDR
Morocco MOR
Tunisia TUN

Not drawn on the map: Great Britain. We hold no public-domain boundary for this region, so it is listed rather than guessed at.

Region boundaries approximated from Natural Earth (public domain) and mapped to TDWG World Geographical Scheme for Recording Plant Distributions (WGSRPD) level-3 botanical countries (Brummitt 2001). Indicative, not the official WGSRPD geometry.

Flowering 81 in flower of 143 examined

Proportion of examined Catapodium rigidum in flower, by month
Month In flower Examined Share 95% interval
Jan 0 4 too few examined
Feb 3 8 38% 14% to 69%
Mar 2 6 33% 10% to 70%
Apr 18 23 78% 58% to 90%
May 33 41 80% 66% to 90%
Jun 10 21 48% 28% to 68%
Jul 1 6 17% 3% to 56%
Aug 1 9 11% 2% to 44%
Sep 2 6 33% 10% to 70%
Oct 8 11 73% 43% to 90%
Nov 3 5 60% 23% to 88%
Dec 0 3 too few examined

Peak flowering in May. Each bar is the share of Catapodium rigidum observations in which someone actually recorded the reproductive state and found the plant in flower, not the raw number of flowering records. That distinction matters: people observe plants far more in spring than in winter, so a bare count of flowering records partly measures when people go outside. Dividing by the number examined removes that. 81 of 143 examined observations were in flower, every one of them research grade. The whisker on each bar is a 95% Wilson interval. 2 months have fewer than 5 examined observations, so no proportion is drawn for them. This is still a global aggregate and not a forecast for your garden: the same species flowers on different dates in different hemispheres. Where a species has fewer than 30 flowering records we do not draw this chart at all. Computed from 10.15468/dl.cgje2x.

Also published as 50 synonyms

A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.

  • Catapodium rigidum f. robustum (Duval-Jouve) O.Bolòs & Vigo
  • Catapodium rigidum subsp. spicatum (Trab.) Rivas Mart.
  • Catapodium rigidum var. maius (C.Presl) M.Laínz
  • Catapodium rigidum var. multiflorum Paunero
  • Catapodium rigidum var. patens (C.Presl) Paunero
  • Catapodium rigidum var. rigidum
  • Catapodium rigidum var. spicatum (Trab.) O.Bolòs & Vigo
  • Desmazeria rigida (L.) Tutin
  • Desmazeria rigida var. major (C.Presl) Stace
  • Desmazeria rigida var. spicata (Trab.) O.Bolòs & Vigo
  • Diplachne rigida (L.) Chapm.
  • Festuca divaricata Roth
  • Festuca rigens Trin. ex Steud.
  • Festuca rigida (L.) Raspail
  • Festuca rigida var. gracilior Mutel
  • Festuca rigida var. hemipoa (Delile) Coss. & Durieu
  • Festuca rigida var. patens (C.Presl) Asch. & Graebn.
  • Festuca rigida var. robusta (Duval-Jouve) Asch. & Graebn.
  • Glyceria rigida Sm.
  • Megastachya pulchella Roem. & Schult.
  • Megastachya rigida (L.) Roem. & Schult.
  • Megastachya rigida var. maritima Gray
  • Poa cristata Walter
  • Poa pulchella Steven ex M.Bieb.

and 26 more.

Sourcesevery claim on this page

  1. World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
  2. iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.
  3. Wikidata. common name (P1843), joined on the World Flora Online identifier (P7715). CC0. Retrieved 2026-07-13.
  4. Kew, World Checklist of Vascular Plants (WCVP v16). native distribution by TDWG level-3 botanical country, and life form. CC BY 3.0. Retrieved 2026-06-04.

We publish what we can source and we say so when we cannot. This page has no care advice and no toxicity claim, because we do not yet have those from a source we can cite.