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CCDB → Angiosperms → Rubiaceae → Argostemma → Argostemma neurocalyx Miq.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Argostemma neurocalyx Miq. | Argostemma neurocalyx Miq. | c.22 | IPCN online | Puangsomlee. 2001. Chromosome numbers of Thai Rubiaceae. Nordic J. Bot. 21(2): 165–175. |