| Name | Aphanostephus skirrhobasis var. hallii (A. Gray) S. F. Blake |
| Authorship | (A. Gray) S. F. Blake |
| Rank | Variety |
| Placed in | Aphanostephus skirrhobasis (de Candolle) Trelease |
| Citation | 1918 Contr. Gray Herb. 53: 24 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Aphanostephus skirrhobasis var. hallii (A. Gray) S. F. Blake |
| Identification made in | 1917 (1), 1945 (1) |
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