Phoebanthus grandiflorusS.F.Blake

Florida false sunflower

WFO wfo-0000040880 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h · 8 separate observations

Phoebanthus grandiflorus, photographed by Athena Philips
fig. a Athena Philips, CC BY 4.0 / 2021-09-14 / obs. 157387568
Phoebanthus grandiflorus, photographed by Athena Philips
fig. b Athena Philips, CC BY 4.0 / obs. 135192850
Phoebanthus grandiflorus, photographed by natalie
fig. c natalie, CC0 1.0 / obs. 96535860
Phoebanthus grandiflorus, photographed by Arturo Santos
fig. d Arturo Santos, CC BY 4.0 / obs. 80777054
Phoebanthus grandiflorus, photographed by Athena Philips
fig. e Athena Philips, CC BY 4.0 / obs. 196516133
Phoebanthus grandiflorus, photographed by Scott Ward
fig. f Scott Ward, CC BY 4.0 / obs. 154801064
Phoebanthus grandiflorus, photographed by Athena Philips
fig. g Athena Philips, CC BY 4.0 / obs. 149858499
Phoebanthus grandiflorus, photographed by Brandon Corder
fig. h Brandon Corder, CC BY 4.0 / obs. 137943835

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 1 botanical country

Regions where Phoebanthus grandiflorus is native: Florida Florida
Native distribution of Phoebanthus grandiflorus, 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.
RegionTDWG codeContinent
Florida FLA NORTHERN AMERICA

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 1 synonym

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.

  • Helianthella grandiflora Torr. & A.Gray

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.