Potentilla gracilis var. fastigiata (USA)

Potentilla gracilis var. fastigiata (Nutt.) S. Wats., Proc. Amer. Acad. Arts 8: 557 (1873) (syn: Pentaphyllum viridescens (Rydb.) Lunell; Potentilla angustata Rydb.; Potentilla blaschkeana Turcz. ex Lehm.; Potentilla blaschkeana var. permollis (Rydb.) Wolf; Potentilla etomentosa Rydb.; Potentilla etomentosa subsp. hallii (Rydb.) Abrams; Potentilla fastigiata Nutt. ex Torr. & Gray; Potentilla fastigiata var. jucunda (A. Nelson) Soják; Potentilla fastigiata var. permollis (Rydb.) Soják; Potentilla glomerata A. Nels.; Potentilla gracilis var. blaschkeana (Turcz.) Jeps.; Potentilla gracilis var. glabrata (Lehm.) C. L. Hitchc.; Potentilla gracilis subsp. nuttallii (Lehm.) D. D. Keck; Potentilla gracilis var. nuttallii (Lehm.) E. Sheld.; Potentilla gracilis var. permollis (Rydb.) C. L. Hitchc.; Potentilla gracilis var. rigida (Nutt.) S. Wats.; Potentilla gracilis var. rigida (Nutt.) S. Wats.; Potentilla indiges M. E. Peck; Potentilla jucunda A. Nels.; Potentilla nuttallii Lehm.; Potentilla permollis Rydb.; Potentilla pulcherrima var. wardii (Greene) Soják; Potentilla rectiformis Rydb.; Potentilla viridescens Rydb.; Potentilla wardii Greene);
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Subarctic America to W. & W. Central U.S.A.: Alaska, Alberta, Arizona, British Columbia, California, Colorado, Idaho, Manitoba, Minnesota, Montana, Nevada, New Mexico, North Dakota, Northwest Territorie, Ontario, Oregon, Prince Edward I., Québec, Saskatchewan, South Dakota, Utah, Washington, Wyoming, Yukon as per POWO;
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Potentilla gracilis var. fastigiata from Tahoe, California-GS20012021-3
3 images.

Potentilla gracilis var. fastigiata(Nutt.) S. Watson

A species often confused with P. recta but easily differentiated by presence of basal leaves at flowering time, hairs of same size, deeper yellow flowers with longer style, smaller epicalyx (2-6 mm as against 6-12 mm in P. recta).
Photographed from Tahoe, California,

References: POWO  Catalogue of Life  The Plant List Ver.1.1  Flora of North America
https://www.calflora.org/cgi-bin/species_query.cgi?where-taxon=Potentilla+gracilis+var.+fastigiata
https://calscape.org/Potentilla-gracilis-var.-fastigiata-()
https://plants.usda.gov/core/profile?symbol=POGRF2
https://www.goldrushnursery.com/plant/Potentilla-gracilis-var-fastigiata