''Lithophragma trifoliatum'' is a variety of flowering plant in the

saxifrage family Saxifragaceae is a family of herbaceous perennial flowering plants, within the core eudicot order Saxifragales. The taxonomy of the family has been greatly revised and the scope much reduced in the era of molecular phylogenetic analysis. The fa ...

known from the western slope of the

Cascade Range The Cascade Range or Cascades is a major mountain range of western North America, extending from southern British Columbia through Washington and Oregon to Northern California. It includes both non-volcanic mountains, such as the North Cascades, ...

and

Sierra Nevada The Sierra Nevada () is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primarily ...

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

. It is sometimes considered its own species based on the pink, fragrant flowers, the shape of the hypanthium, and other characters. Others consider it to be a sterile variety of ''L. parviflorum'' that likely now persists by vegetative reproduction.

References

External links

Jepson Manual Treatment
trifoliatum Flora of California {{Saxifragales-stub