Flowering heads of the Erigeron acris group in Murmansk Region A E. politus Fr. (KPABG 040062) B E. × pilosiusculus Sennikov (KPABG 039993) C E. rigidus Fr. (KPABG 040017) D E. × intercalaris Sennikov (KPABG 039998) E E. acris L. (KPABG 043965) F E. droebachiensis O.F.Müll. (KPABG 047662) G E. uralensis Less. (KPABG 043994) H E. brachycephalus H.Lindb. (KPABG 040025).

 
 
  Part of: Sennikov AN, Kozhin MN (2023) Taxonomic revision of the Erigeron acris group (Asteraceae) in Murmansk Region, Russia, reveals a complex pattern of native and alien taxa. PhytoKeys 235: 83-128. https://doi.org/10.3897/phytokeys.235.111020