| Asteraceae | ! |
Erigeron acris subsp. acris
| | | |
| Asteraceae | |
Erigeron acris var. acris
| | | |
| Asteraceae | |
Erigeron acris subsp. angulosus
| (Gaudin) Vacc. | Catalogue raisonné des Plantes vasculaires de la Vallée d'Aoste 1: 350 | 1909 |
| Asteraceae | |
Erigeron acris var. arcuans
| Fernald | Rhodora 28(336): 236 | 1926 |
| Asteraceae | |
Erigeron acris subsp. asadbarensis
| (Vierh.) Rech. f. | Fl. Iranica Comp. V. Astereae, 154: 18, Tab. 5 | 1984 |
| Asteraceae | |
Erigeron acris var. asteroides
| DC. | Prodr. 5: 290 | 1836 |
| Asteraceae | |
Erigeron acris subsp. debilis
| (A. Gray) Piper | Contr. U.S. Natl. Herb. 11: 569 | 1906 |
| Asteraceae | |
Erigeron acris var. debilis
| A. Gray | Syn. Fl. N. Amer. 1(2): 220 | 1884 |
| Asteraceae | |
Erigeron acris subsp. decoloratus
| Hiitonen | Ann. Bot. Fenn. 8(1): 77 | 1971 |
| Asteraceae | |
Erigeron acris var. droebachensis
| (O.F. Müll. ex Retz.) Blytt | Norges Fl. 1: 562 | 1861 |
| Asteraceae | |
Erigeron acris var. elatus
| (Hook.) Cronquist | Brittonia 6(2): 296 | 1947 |
| Asteraceae | ! |
Erigeron acris subsp. kamtschaticus
| (DC.) H. Hara | J. Jap. Bot. 15: 317 | 1939 |
| Asteraceae | |
Erigeron acris var. kamtschaticus
| (DC.) Herder | Bull. Soc. Imp. Naturalistes Moscou 38: 392 | 1865 |
| Asteraceae | |
Erigeron acris subsp. lalehzarius
| Rech. f. | Fl. Iranica Comp. V. Astereae 154: 21, Tab. 18 & 19 | 1952 |
| Asteraceae | |
Erigeron acris var. manshuricus
| Kom. | Florist. issl. v razn. Raionakh SSSR 194 | 1985 |
| Asteraceae | |
Erigeron acris subsp. mesatlanticus
| (Maire) Maire | Bull. Soc. Hist. Nat. Afrique N. 23: 188 | 1932 |
| Asteraceae | |
Erigeron acris var. multicaulis
| (Wall. ex DC.) C.B. Clarke | Compos. Ind. 53: 187 | 1876 |
| Asteraceae | |
Erigeron acris var. oligocephalus
| Fernald & Wiegand | Rhodora 12(144): 226–227 | 1910 [1911] |
| Asteraceae | |
Erigeron acris subsp. phaeocephalus
| Rech. f. | Fl. Iranica Comp. V. Asterae 152: 20, Tab. 17 | 1982 |
| Asteraceae | |
Erigeron acris subsp. politus
| (Fr.) Schinz & Keller | | ** |
| Asteraceae | ! |
Erigeron acris subsp. politus
| (Fr.) H. Lindb. | Enum. Pl. Fennoscandia 56 | 1901 |
| Asteraceae | |
Erigeron acris subsp. pycnotrichous
| (Vierh.) Grierson | Notes Roy. Bot. Gard. Edinburgh 33: 430 | 1975 |
| Asteraceae | |
Erigeron acris subsp. racemosus
| (Nutt.) Clem. & E.G. Clem. | Rocky Mount. Fl. 269 | 1914 |
| Asteraceae | |
Erigeron acris subsp. staintonii
| Rech. f. | Fl. Iranica Comp. V. Astereae 154: 21, Tab. 20 | 1952 |