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 Joaqin 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.)