Trifolium leibergii is a species of flowering plant in the legume family known by the common name Leiberg's clover.
Description This clover is a perennial herb growing tall. The plant has a coating of gray hairs. The leaves are each made up of three spine-tipped leaflets. The inflorescence is a head of several flowers which are cream-colored with tinges of pink or purple. Blooming occurs in June and July. NatureServe.
Distribution and habitat This plant is native to Oregon and Nevada in the United States.Trifolium leibergii. Center for Plant Conservation. The plant may have a disjunct distribution, but it is possible more populations occur in the between the two population centers in southern Oregon and northern Nevada.
It grows in soils of decomposing tuff, a volcanic ash substrate. The plants grow in cracks in the soil, so that they can appear to be growing in a straight line. There is little other vegetation in the habitat, but associated plants may include Artemisia arbuscula.
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