Pterocaulon alopecuroides(Lam.) DC.

WFO wfo-0000016722 Accepted WFO 2026-06 3 photographs CC BY

Plate 1 figs. a–c · 2 observations

This species has been photographed under an open licence only 2 times, so some figures below are different views of the same plant, taken on the same day, rather than different individuals. They are usually different parts of it: the leaf, the flower, the bark.

Pterocaulon alopecuroides, photographed by Helio Lourencini
fig. a Helio Lourencini, CC BY 4.0 / 2020-09-19 / obs. 96681444
Pterocaulon alopecuroides, photographed by Helio Lourencini
fig. b Helio Lourencini, CC BY 4.0 / obs. 96681391
Pterocaulon alopecuroides, photographed by Helio Lourencini
fig. c Helio Lourencini, CC BY 4.0 / obs. 99072880

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 25 botanical countries

Regions where Pterocaulon alopecuroides is native: Argentina Northeast, Argentina Northwest, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Colombia, Cuba, Dominican Republic, Ecuador, Guyana, Haiti, Jamaica, Leeward Is., Panamá, Paraguay, Peru, Puerto Rico, Suriname, Trinidad-Tobago, Uruguay, Venezuela, Windward Is. Argentina NortheastArgentina NorthwestBoliviaBrazil NorthBrazil NortheastBrazil SouthBrazil SoutheastBrazil West-CentralColombiaCubaDominican RepublicEcuadorGuyanaHaitiJamaicaPanamáParaguayPeruPuerto RicoSurinameTrinidad-TobagoUruguayVenezuela Leeward Is.Windward Is.
Native distribution of Pterocaulon alopecuroides, 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
Argentina Northeast AGE SOUTHERN AMERICA
Argentina Northwest AGW
Bolivia BOL
Brazil North BZN
Brazil Northeast BZE
Brazil South BZS
Brazil Southeast BZL
Brazil West-Central BZC
Colombia CLM
Cuba CUB
Dominican Republic DOM
Ecuador ECU
Guyana GUY
Haiti HAI
Jamaica JAM
Leeward Is. LEE
Panamá PAN
Paraguay PAR
Peru PER
Puerto Rico PUE
Suriname SUR
Trinidad-Tobago TRT
Uruguay URU
Venezuela VEN
Windward Is. WIN

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.

Also published as 16 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.

  • Baccharis erioptera Benth.
  • Chlaenobolus alopecuroides (Lam.) Cass.
  • Conyza alopecuroides Lam.
  • Pterocaulon alopecuroides var. alopecuroides
  • Pterocaulon alopecuroides var. glabrescens Chodat
  • Pterocaulon alopecuroides var. mollis Chodat
  • Pterocaulon alopecuroides var. polystachyum DC.
  • Pterocaulon alopecuroides var. salicifolium Chodat
  • Pterocaulon interruptum DC.
  • Pterocaulon interruptum var. interruptum
  • Pterocaulon interruptum var. monostachyum DC.
  • Pterocaulon interruptum var. polystachyum DC.
  • Pterocaulon latifolium Kuntze
  • Pterocaulon virgatum f. alopecuroides (Lam.) Arechav.
  • Pterocaulon virgatum f. subcorymbosa Arechav.
  • Pterocaulon virgatum var. alopecuroides (Lam.) Griseb.

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. 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.