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CCDB → Angiosperms → Compositae → Erigeron → Erigeron philadelphicus L.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Erigeron philadelphicus subsp. philadelphicus | Erigeron philadelphicus L. | 18(1) | Asteracea | Morton, J. K. 1988 Canad. J. Bot. (= Botany) | |||
| Erigeron philadelphicus L. | Erigeron philadelphicus L. | 9(1) | -1 | Asteracea | Gervais & C. 1985 Naturaliste Canadien | ||
| Erigeron philadelphicus L. | Erigeron philadelphicus L. | 9II(1) | Asteracea | Taylor & B. 1966 Canad. J. Bot. (= Botany) | |||
| ! | Erigeron philadelphicus var. philadelphicus | Erigeron philadelphicus L. | 18(1) | Asteracea | Morton, J. K. 1988 Canad. J. Bot. (= Botany) | ||
| Erigeron philadelphicus L. | Erigeron philadelphicus L. | 9 | IPCN65 | Bostick 1965 | |||
| Erigeron philadelphicus L. | Erigeron philadelphicus L. | 18 | IPCN online | Love, A. & H. E. Connor. 1982. Relationships and taxonomy of New Zealand wheat grasses. New Zealand J. Bot. 20: 169–186. | |||
| Erigeron philadelphicus L. | Erigeron philadelphicus L. | 18 | IPCN online | Love, A. & D. Love. 1982. In: A Löve (ed.), IOPB chromosome number reports LXXV. Taxon 31(2): 344–360. | |||
| Erigeron philadelphicus L. | Erigeron philadelphicus L. | 18 | IPCN online | Chinnappa, C. C. & J. G. Chmielewski. 1987. Documented plant chromosome numbers 1987: 1. Miscellaneous counts from western North America. Sida 12: 409–417. | |||
| Erigeron philadelphicus L. | Erigeron philadelphicus L. | 9II | IPCN online | Nesom, G. L. 1978. Chromosome numbers in Erigeron and Conyza (Compositae). Sida 7: 375–381. | |||
| Erigeron philadelphicus L. | Erigeron philadelphicus L. | 9 | IPCN online | Nesom, G. L. 1978. Chromosome numbers in Erigeron and Conyza (Compositae). Sida 7: 375–381. | |||
| Erigeron philadelphicus L. | Erigeron philadelphicus L. | 9 | IPCN online | Mulligan, G. A. 1984. Chromosome numbers of some plants native and naturalized in Canada. Naturaliste Canad. 111: 447–449. | |||
| Erigeron philadelphicus L. | Erigeron philadelphicus L. | 18 | IPCN online | Hill, L. M. 1989. IOPB chromosome data 1. Int. Organ. Pl. Biosyst. Newslett. (Zurich) 13: 17–19. | |||
| Erigeron philadelphicus L. | Erigeron philadelphicus L. | 9 | 18 | IPCN online | Morton, J. K. 1981. Chromosome numbers in Compositae from Canada and the U.S.A. Bot. J. Linn. Soc. 82: 357–368. | ||
| Erigeron philadelphicus L. | Erigeron philadelphicus L. | 18 | IPCN online | Semple, J. C. 1980. In Chromosome number reports LXVII. Taxon 29: 357–358. | |||
| ! | Erigeron philadelphicus var. philadelphicus | Erigeron philadelphicus L. | 18 | IPCN online | Morton, J. K. 1988. Variation in Erigeron philadelphicus (Compositae). Canad. J. Bot. 66(2): 298–302. | ||
| Erigeron philadelphicus subsp. philadelphicus | Erigeron philadelphicus L. | 18 | IPCN online | Morton, J. K. 1988. Variation in Erigeron philadelphicus (Compositae). Canad. J. Bot. 66(2): 298–302. | |||
| Erigeron philadelphicus L. | Erigeron philadelphicus L. | 9 | IPCN66 | Taylor & Brockman 1966 | |||
| Erigeron philadelphicus L. | Erigeron philadelphicus L. | 9 | IPCN67-71 | SOLBRIG, Q.T., L.C. ANDERSON, D.W. KYHOS, & P.H. RAVEN. 1969. Chromosome numbers in Compositae. VIII: Astereae III. Amer. J. Bot. 56: 348-353. | |||
| Erigeron philadelphicus var. philadelphicus | Erigeron philadelphicus L. | 18 | eFlora | ||||
| Erigeron philadelphicus L. | Erigeron philadelphicus L. | 18 | Cave1957 | Mulligan | |||
| ! | Erigeron philadelphicus L. | Erigeron philadelphicus L. | 18 | Cave1959 | Huziwara 1958 |