| Name | Arenaria congesta var. lithophila Maguire |
| Authorship | Maguire |
| Rank | Variety |
| Placed in | Arenaria congesta Nuttall |
| Citation | 1951 Amer. Midl. Naturalist 46(2): 501 |
| Holdings | 13 Specimens held in the Harvard University Herbaria identified as Arenaria congesta var. lithophila Maguire |
| Identification made in | [no date] (13) |
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