[<< wikipedia] Nemacladus
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
Nemacladus glanduliferus Jeps.  - glandular threadplant - Arizona, southern California, Baja California
Nemacladus gracilis Eastw. - slender threadplant  - California (San Joaquin Valley, Los Angeles Basin)
Nemacladus interior (Munz) G.T.Robbins - Sierra threadplant - California, Oregon
Nemacladus longiflorus A.Gray - California, Arizona, Utah, Baja California
Nemacladus montanus Greene - northern California
Nemacladus orientalis (McVaugh) Morin - Sonora, Baja California, California, Arizona, Nevada, Utah, southern New Mexico, extreme western Texas
Nemacladus pinnatifidus Greene - Baja California, southern California
Nemacladus ramosissimus Nutt. - smallflower threadplant - Baja California, southern California
Nemacladus rigidus Curran - stoutstem threadplant - California, Nevada, southeastern Oregon, southwestern Idaho
Nemacladus rubescens Greene - California, Nevada, western Arizona, southwestern Utah
Nemacladus secundiflorus G.T.Robbins - California
Nemacladus sigmoideus  G.T.Robbins - sigmoid threadplant - California, Nevada, western Arizona
Nemacladus tenuis (McVaugh) Morin - California, Baja California
Nemacladus twisselmannii  J.T.Howell - California (Kern Co.)


== References ==


== External links ==
Jepson Manual Genus Treatment
USDA Plants Profile