| Name | Nama serpylloides var. confertum I. M. Johnston |
| Authorship | I. M. Johnston |
| Rank | Variety |
| Placed in | Nama serpylloides A. Gray |
| Citation | 1943 J. Arnold Arbor. 24(1): 96 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Nama serpylloides var. confertum I. M. Johnston |
| Identification made in | [no date] (1), 2016 (1) |
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