Erigeron acer

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Erigeron acer
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Erigeron
E. acer
Binomial name
Erigeron acer

Erigeron acer is a widespread species of herbaceous flowering plant in the family Asteraceae. Common names include bitter fleabane and blue fleabane. The species is native to Canada, colder parts of the United States,[4][5] northern, central, and southeastern Asia,[6] and most of Europe.[7]

Erigeron acer is a biennial or perennial herb up to 100 cm (40 inches) tall, producing a taproot and a woody rhizome. One plant can produce many small flower heads, each with pink, lilac, or occasionally white ray florets and yellow disc florets.[6]

Subspecies and varieties:[3]

  • Erigeron acris subsp. acris
  • Erigeron acris subsp. angulosus (Gaudin) Vacc.
  • Erigeron acris subsp. arctophilus (Rech.f.) Rech.f.
  • Erigeron acris subsp. asadbarensis (Vierh.) Rech.f.
  • Erigeron acris subsp. botschantzevii
  • Erigeron acris subsp. brachycephalus (H.Lindb.)
  • Erigeron acris subsp. droebachensis (O.F.Müll.) Arcang.
  • Erigeron acris subsp. kamtschaticus (DC.)
  • Erigeron acris var. khasianus (Hook.f.)
  • Erigeron acris subsp. lalehzaricus.
  • Erigeron acris subsp. mesatlanticus (Maire) Maire
  • Erigeron acris var. multicaulis (Wall. ex DC.)
  • Erigeron acris subsp. phaeocephalus.
  • Erigeron acris subsp. podolicus (Besser) Nyman
  • Erigeron acris subsp. politu (Fr.) H.Lindb.
  • Erigeron acris subsp. pycnotrichus (Vierh.) Grierson
  • Erigeron acris subsp. staintonii.


  1. ^ feminine form of adjective acer; genus is male per section 62.1 example 1 of Code
  2. ^ neuter form of adjective acer; genus is male per section 62.1 example 1 of Code
  3. ^ a b "Erigeron acris L." Plants of the World Online. Royal Botanic Garden, Kew. Retrieved 6 October 2023.
  4. ^ Flora of North America, Erigeron acris Linnaeus, Sp. Pl. 2: 863. 1753. Fleabane
  5. ^ Biota of North America Program, 2014 state-level distribution map, Erigeron acris
  6. ^ a b Flora of China, Erigeron acris Linnaeus, Sp. Pl. 2: 863. 1753. 飞蓬 fei peng
  7. ^ Altervista Flora Italiana, Cespica acre, Erigeron acer L.

External links[edit]