| Name | Calylophus tubiculus (A. Gray) P. H. Raven |
| Authorship | (A. Gray) P. H. Raven |
| Rank | Species |
| Placed in | Calylophus Spach |
| Citation | 1964 Brittonia 16(3): 286 |
| Holdings | 38 Specimens held in the Harvard University Herbaria identified as Calylophus tubiculus (A. Gray) P. H. Raven |
| Identification made in | [no date] (38) |
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