| Name | Thyrocarpus sampsoni var. amplifolius Brand |
| Authorship | Brand |
| Rank | Variety |
| Placed in | Thyrocarpus sampsoni Hance |
| Citation | 1921 Pflanzenr. [Engler] IV.252.Cynoglosseae: 113 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Thyrocarpus sampsoni var. amplifolius Brand |
| Identification made in | 2018 (1) |
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