Nemacladus is a genus of flowering plants in the bellflower family known generally as threadplants. There are 18 accepted species native to the southwestern United States and northern Mexico. These are annual herbs with very slender, sometimes threadlike, branching stems bearing small five-lobed flowers.
Species accepted:
Nemacladus australis (Munz) Morin - Baja California
Nemacladus calcaratus Morin - Chimney Creek threadplant - California (Inyo + Tulare Cos)
Nemacladus californicus (A.Gray) Morin - California (San Bernardino, Kern, Ventura, Santa Barbara, San Luis Obispo Cos)
Nemacladus capillaris Greene - much of California, southwestern Oregon
