Aruncus dioicus(Walter) Fernald

Goatsbeard

WFO wfo-0001018107 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h

Aruncus dioicus, photographed by Leonardo Ancillotto
fig. a Leonardo Ancillotto, CC BY 4.0 / 2022-06-13 / obs. 205856209
Aruncus dioicus, photographed by Alexis Tinker-Tsavalas
fig. b Alexis Tinker-Tsavalas, CC BY 4.0 / obs. 205409002
Aruncus dioicus, photographed by Michael J. Papay
fig. c Michael J. Papay, CC BY 4.0 / obs. 204118046
Aruncus dioicus, photographed by Валерия Ковалева
fig. d Валерия Ковалева, CC BY 4.0 / obs. 204068263
Aruncus dioicus, photographed by Craig Martin
fig. e Craig Martin, CC0 1.0 / obs. 204241422
Aruncus dioicus, photographed by Ethan Rose
fig. f Ethan Rose, CC BY 4.0 / obs. 205035423
Aruncus dioicus, photographed by Jens-Christian Svenning
fig. g Jens-Christian Svenning, CC BY 4.0 / obs. 202798559
Aruncus dioicus, photographed by Attila Oláh
fig. h Attila Oláh, CC BY 4.0 / obs. 201802271

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.

Flowering n = 1,115 observations

Peak flowering in Jun, from 1,115 community-annotated observations worldwide. This is a global aggregate, not a forecast for your garden: the same species flowers on different dates in different hemispheres, and citizen-science records cluster near cities, at weekends, and in spring. Where a species has fewer than 30 annotated records we do not draw this chart at all.

Also published as 39 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.

  • Actaea dioica Walter
  • Aruncus acuminatus (Douglas ex Hook.) Rydb.
  • Aruncus allegheniensis Rydb.
  • Aruncus allegheniensis var. pubescens (Rydb.) Fernald
  • Aruncus americanus Raf.
  • Aruncus aruncus (L.) H.Karst.
  • Aruncus barbacaprae Fourr.
  • Aruncus barbaecapri Wender.
  • Aruncus capribarba Wender.
  • Aruncus dioicus var. kamtschaticus (Maxim.) H.Hara
  • Aruncus dioicus var. triternatus (Wall. ex Maxim.) H.Hara
  • Aruncus kamtschaticus Rydb.
  • Aruncus kamtschaticus var. tomentosus (Koidz.) Miyabe & Tatew.
  • Aruncus pubescens Rydb.
  • Aruncus sylvester Kostel.
  • Aruncus sylvester subsp. acuminatus (Douglas ex Hook.) A.E.Murray
  • Aruncus sylvester var. acuminatus (Douglas ex Hook.) Jeps.
  • Aruncus sylvester var. americana Michx.
  • Aruncus sylvester var. kamtschaticus Maxim.
  • Aruncus sylvester var. triternatus Wall. ex Maxim.
  • Aruncus sylvestris Kostel. ex Maxim.
  • Aruncus sylvestris Kostel. ex Opiz
  • Aruncus sylvestris subsp. acuminatus (Douglas ex Hook.) Kartesz
  • Aruncus vulgaris Raf.

and 15 more.

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.

We publish what we can source and we say so when we cannot. This page has no care advice, no toxicity claim and no native range, because we do not yet have those from a source we can cite.