Primula tetrandra, synonyms Dodecatheon tetrandrum and Dodecatheon alpinum, is a perennial plant in the primrose family, Primulaceae, known by the common name alpine shooting star. This wildflower is native to the Western United States, in California, Arizona, Nevada, Oregon, Utah and Washington. The plant grows in wet areas in the mountains, such as in the Sierra Nevada and Transverse Ranges. In the garden it prefers full sun and partial shade and most soil types. In UK gardens it is hardy in most of the UK (RHS H5). Suggested uses include cottage and informal garden, rock garden and underplanting of roses and shrubs. It tolerates soil of any pH, moist but well-drained conditions and south-facing, west-facing and east-facing aspects. Plant in well-drained soil in a suitable position. Water during establishment.

Dodecatheon alpinum is a perennial member of the Primulaceae family that showcases a unique botanical form. Known for its basal rosettes of simple foliage, this species features stems that can either rise upright or arch gracefully, adorned with clusters of flowers that mimic the shape of cyclamen with their sharply reflexed petals.

https://en.wikipedia.org/wiki/Primula_tetrandra

Dodecatheon alpinum

Primula frigida, synonym Dodecatheon frigidum, commonly called the western arctic shootingstar, is a plant species found in arctic and subarctic regions in the northwestern part of North America and in Asiatic Russia. In the wild it grows across North America, NO and Norway. Grow it in full sun and partial shade and most soil types. In UK gardens it is hardy in most of the UK (RHS H5). It works well for cottage and informal garden, rock garden and underplanting of roses and shrubs. It tolerates soil of any pH, moist but well-drained conditions and south-facing, west-facing and east-facing aspects. Plant in well-drained soil in a suitable position. Water during establishment.

Dodecatheon frigidum is a member of the Primulaceae family, known for its herbaceous perennial nature and summer dormancy. This species displays a rosette of simple leaves and features stems that arch gracefully, supporting clusters of flowers that resemble cyclamen with their distinctive reflexed petals.

https://en.wikipedia.org/wiki/Primula_frigida

Dodecatheon frigidum

Primula meadia, known by the common names shooting star, eastern shooting star, American cowslip, roosterheads, and prairie pointers is a species of flowering plant in the primula family Primulaceae. Also, the plant belongs to a group of herbaceous perennials.

Dodecatheon meadia Millard's clone is a hardy H5 flowering plant for spring and summer, ideal for cottage gardens, rockeries, and underplanting roses.