Euthamia caroliniana (slender goldentop)

Plate 1 figs. a–h · 8 separate observations

Euthamia caroliniana, photographed by Neli Kanonerova — fig. a Neli Kanonerova, CC BY 4.0 / 2021-11-23 / obs. 170017853

Euthamia caroliniana, photographed by Ben Machado — fig. b Ben Machado, CC BY 4.0 / obs. 169704046

Euthamia caroliniana, photographed by Mark Apgar — fig. c Mark Apgar, CC BY 4.0 / obs. 169721372

Euthamia caroliniana, photographed by Stan Shebs — fig. d Stan Shebs, CC BY-SA 4.0 / obs. 181064040

Euthamia caroliniana, photographed by Kim — fig. e Kim, CC BY 4.0 / obs. 164734057

Euthamia caroliniana, photographed by Brian Magurn — fig. f Brian Magurn, CC BY 4.0 / obs. 162480124

Euthamia caroliniana, photographed by Pete Grannis — fig. g Pete Grannis, CC BY 4.0 / obs. 115680671

Euthamia caroliniana, photographed by natalie — fig. h natalie, CC0 1.0 / obs. 108361481

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 19 botanical countries

Native distribution of Euthamia caroliniana, 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.

Region	TDWG code	Continent
Alabama	ALA	NORTHERN AMERICA
Connecticut	CNT
Delaware	DEL
Florida	FLA
Georgia	GEO
Illinois	ILL
Louisiana	LOU
Maryland	MRY
Massachusetts	MAS
Mississippi	MSI
New Hampshire	NWH
New Jersey	NWJ
New York	NWY
North Carolina	NCA
Pennsylvania	PEN
Rhode I.	RHO
South Carolina	SCA
Virginia	VRG
West Virginia	WVA

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 262 in flower of 380 examined

50%

69%

76%

88%

65%

13%

Proportion of examined Euthamia caroliniana in flower, by month
Month	In flower	Examined	Share	95% interval
Jan	1	17	6%	1% to 27%
Feb	0	5	0%	0% to 43%
Mar	1	2	too few examined
Apr	0	1	too few examined
May	0	1	too few examined
Jun	1	3	too few examined
Jul	8	16	50%	28% to 72%
Aug	27	39	69%	54% to 81%
Sep	71	94	76%	66% to 83%
Oct	116	132	88%	81% to 92%
Nov	35	54	65%	51% to 76%
Dec	2	16	13%	4% to 36%

Peak flowering in Oct. Each bar is the share of Euthamia caroliniana 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. 262 of 380 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.

Also published as 19 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.

Aster euthamia Kuntze
Diplemium carolinianum Raf.
Erigeron carolinensis Crantz
Erigeron carolinianus L.
Euthamia graminifolia var. galetorum (Greene) Friesner
Euthamia microcephala Greene
Euthamia microphylla Greene
Euthamia minor (Michx.) Greene
Euthamia tenuifolia (Pursh) Nutt.
Euthamia tenuifolia (Pursh) Greene
Euthamia tenuifolia var. microcephala Nutt.
Solidago caroliniana (L.) Britton, Sterns & Poggenb.
Solidago lanceolata var. minor Michx.
Solidago microcephala Bush
Solidago minor Fernald
Solidago moseleyi Fernald
Solidago tenuifolia Pursh
Solidago tenuifolia var. pycnocephala Fernald
Solidago tenuifolia var. tenuifolia

Sourcesevery claim on this page

World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.
USDA PLANTS Database. common name, checklist symbol EUCA26. public domain. Retrieved 2026-07-13.
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.