For example, the illegitimate name Trillium sessile var. californicum has been used to refer to a variety of T. chloropetalum, a sessile-flowered Trillium species confined to western North America (where T. sessile in the modern sense does not range).
For example, the name Trillium sessile var. californicum has been used to identify variations of T. chloropetalum, a sessile-flowered Trillium species confined to western North America (where T. sessile in its current understanding does not extend).