Gamochaeta americana(Mill.) Wedd.

American everlasting

WFO wfo-0000125367 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h · 8 separate observations

Gamochaeta americana, photographed by Leon Perrie
fig. a Leon Perrie, CC BY 4.0 / 2022-04-29 / obs. 191533119
Gamochaeta americana, photographed by naturewatchwidow
fig. b naturewatchwidow, CC BY 4.0 / obs. 191397664
Gamochaeta americana, photographed by Lisa Bennett
fig. c Lisa Bennett, CC BY 4.0 / obs. 187234050
Gamochaeta americana, photographed by Saryu Mae 前 朝琉
fig. d Saryu Mae 前 朝琉, CC BY 4.0 / obs. 184765273
Gamochaeta americana, photographed by Leon Perrie
fig. e Leon Perrie, CC BY 4.0 / obs. 164875735
Gamochaeta americana, photographed by Joe Dillon
fig. f Joe Dillon, CC BY 4.0 / obs. 154709291
Gamochaeta americana, photographed by 葉子
fig. g 葉子, CC0 1.0 / obs. 150923606
Gamochaeta americana, photographed by Yoshihiro Tokue
fig. h Yoshihiro Tokue, CC BY 4.0 / obs. 125736621

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 35 botanical countries

Regions where Gamochaeta americana is native: Falkland Is., Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Argentina Northeast, Argentina Northwest, Argentina South, Bolivia, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Chile Central, Chile South, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Galápagos, Guatemala, Haiti, Honduras, Jamaica, Nicaragua, Panamá, Paraguay, Peru, Puerto Rico, Uruguay, Venezuela Falkland Is.Mexico CentralMexico GulfMexico NortheastMexico NorthwestMexico SoutheastMexico SouthwestArgentina NortheastArgentina NorthwestArgentina SouthBoliviaBrazil NortheastBrazil SouthBrazil SoutheastBrazil West-CentralChile CentralChile SouthColombiaCosta RicaCubaDominican RepublicEcuadorEl SalvadorGuatemalaHaitiHondurasJamaicaNicaraguaPanamáParaguayPeruPuerto RicoUruguayVenezuela Galápagos
Native distribution of Gamochaeta americana, 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
Argentina South AGS
Bolivia BOL
Brazil Northeast BZE
Brazil South BZS
Brazil Southeast BZL
Brazil West-Central BZC
Chile Central CLC
Chile South CLS
Colombia CLM
Costa Rica COS
Cuba CUB
Dominican Republic DOM
Ecuador ECU
El Salvador ELS
Galápagos GAL
Guatemala GUA
Haiti HAI
Honduras HON
Jamaica JAM
Nicaragua NIC
Panamá PAN
Paraguay PAR
Peru PER
Puerto Rico PUE
Uruguay URU
Venezuela VEN
Mexico Central MXC NORTHERN AMERICA
Mexico Gulf MXG
Mexico Northeast MXE
Mexico Northwest MXN
Mexico Southeast MXT
Mexico Southwest MXS
Falkland Is. FAL ANTARCTICA

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 94 in flower of 137 examined

Peak flowering in Jul. Each bar is the share of Gamochaeta americana 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. 94 of 137 examined observations were in flower, every one of them research grade. The whisker on each bar is a 95% Wilson interval. 4 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.

Where it actually grows measured, from 1,143 observations

Condition 5th percentile Median 95th percentile
Coldest month, mean daily low 0.3 °C 7.6 °C 12.9 °C
Warmest month, mean daily high 16.9 °C 26.4 °C 33.4 °C
Annual rainfall 726 mm 1,429 mm 4,360 mm
Rainfall in the driest quarter 56 mm 236 mm 812 mm

It is found where winters are cool but frost is light or absent. This is not care advice and it is not a forecast. It is a measurement: we sampled the climate at every one of the 1,143 research-grade observations of Gamochaeta americana that carry a coordinate, and this is the range those places actually span. The 5th and 95th percentiles are used rather than the minimum and maximum, because a single cultivated specimen in a heated conservatory should not widen a tropical plant's range to the Arctic.

This is not a hardiness zone. A USDA zone is the average annual extreme minimum temperature. The figure above is the mean daily minimum of the coldest month, which is a different quantity and is typically far warmer. Reading one as the other would place a plant several zones too warm, so we do not publish a hardiness zone, because we do not have one. Climate from CHELSA V2.1 (Karger et al. 2017); occurrences from 10.15468/dl.cgje2x.

Also published as 11 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.

  • Gamochaeta americana subvar. interrupta Wedd.
  • Gamochaeta americana var. alpina Wedd.
  • Gamochaeta americana var. vulgaris Wedd.
  • Gamochaeta guatemalensis (Gand.) Cabrera
  • Gamochaeta irazuensis G.L.Nesom
  • Gnaphalium americanum Mill.
  • Gnaphalium americanum var. alpina Wedd.
  • Gnaphalium americanum var. americanum
  • Gnaphalium consanguineum Gaudich.
  • Gnaphalium guatemalense Gand.
  • Gnaphalium purpureum var. americanum (Mill.) Klatt

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.