| Name | Polysiphonia sertularioides var. tenerrima Hauck |
| Authorship | Hauck |
| Rank | Variety |
| Placed in | Polysiphonia sertularioides (Grateloup) J. Agardh |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Polysiphonia sertularioides var. tenerrima Hauck |
| Identification made in | [no date] (1) |
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