| Name | Plectocolea crenulata var. gracillima (Smith) Frye & L. Clark |
| Authorship | (Smith) Frye & L. Clark |
| Rank | Variety |
| Placed in | Plectocolea crenulata (Mitten) A. Evans |
| Citation | 1943 Univ. Wash. Publ. Biol. 6(2): 329. |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Plectocolea crenulata var. gracillima (Smith) Frye & L. Clark |
| Identification made in | [no date] (1) |