Sidalcea reptans is a species of flowering plant in the mallow family known by the common name Sierra checkerbloom and Sierra checker mallow.

[1][2] The plant is endemic to California, where it can be found throughout the Sierra Nevada at 1,120–2,000 metres (3,670–6,560 ft) in elevation, especially the central peaks of the range.

[2] Sidalcea reptans is a rhizomatous perennial herb reaching up to 0.5 metres (1.6 ft) tall.

Lower portions of the stem sometimes root when in contact with moist substrate.

The inflorescence is a long, open series of flowers with pink to lavender petals up to 2 centimeters in length.