Spermacoce confusaRendle

river false buttonweed

WFO wfo-0000312335 Accepted WFO 2026-06 8 photographs CC BY

Plate 1 figs. a–h · 4 observations

This species has been photographed under an open licence only 4 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.

Spermacoce confusa, photographed by Alexis López Hernández
fig. a Alexis López Hernández, CC BY 4.0 / 2021-09-03 / obs. 166235447
Spermacoce confusa, photographed by Alexis López Hernández
fig. b Alexis López Hernández, CC BY 4.0 / obs. 166228144
Spermacoce confusa, photographed by aacocucci
fig. c aacocucci, CC BY 4.0 / obs. 62188769
Spermacoce confusa, photographed by Alexis López Hernández
fig. d Alexis López Hernández, CC BY 4.0 / obs. 166235370
Spermacoce confusa, photographed by Alexis López Hernández
fig. e Alexis López Hernández, CC BY 4.0 / obs. 166103364
Spermacoce confusa, photographed by Carlos Martorell
fig. f Carlos Martorell, CC BY 4.0 / obs. 11417361
Spermacoce confusa, photographed by Carlos Martorell
fig. g Carlos Martorell, CC BY 4.0 / obs. 11417360
Spermacoce confusa, photographed by Carlos Martorell
fig. h Carlos Martorell, CC BY 4.0 / obs. 11417343

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 31 botanical countries

Regions where Spermacoce confusa is native: Florida, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Argentina Northwest, Aruba, Bahamas, Bolivia, Brazil Northeast, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Guatemala, Honduras, Jamaica, Leeward Is., Netherlands Antilles, Nicaragua, Panamá, Paraguay, Peru, Puerto Rico, Trinidad-Tobago, Turks-Caicos Is., Venezuela FloridaMexico CentralMexico GulfMexico NortheastMexico NorthwestMexico SoutheastMexico SouthwestArgentina NorthwestBoliviaBrazil NortheastColombiaCosta RicaCubaDominican RepublicEcuadorEl SalvadorGuatemalaHondurasJamaicaNicaraguaPanamáParaguayPeruPuerto RicoTrinidad-TobagoVenezuela ArubaBahamasLeeward Is.Netherlands AntillesTurks-Caicos Is.
Native distribution of Spermacoce confusa, 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 Northwest AGW SOUTHERN AMERICA
Aruba ARU
Bahamas BAH
Bolivia BOL
Brazil Northeast BZE
Colombia CLM
Costa Rica COS
Cuba CUB
Dominican Republic DOM
Ecuador ECU
El Salvador ELS
Guatemala GUA
Honduras HON
Jamaica JAM
Leeward Is. LEE
Netherlands Antilles NLA
Nicaragua NIC
Panamá PAN
Paraguay PAR
Peru PER
Puerto Rico PUE
Trinidad-Tobago TRT
Turks-Caicos Is. TCI
Venezuela VEN
Florida FLA NORTHERN AMERICA
Mexico Central MXC
Mexico Gulf MXG
Mexico Northeast MXE
Mexico Northwest MXN
Mexico Southeast MXT
Mexico Southwest MXS

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.

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.