Nemacladus capillaris Greene - Common threadplant.  Present in the CalFlora Database (California distribution map).
Nemacladus glanduliferus Jepson - Glandular threadplant.  Present in the CalFlora Database (California distribution map).
Nemacladus gracilis Eastw. - Slender threadplant.  Present in the CalFlora Database (California distribution map).
Nemacladus interior (Munz) G.T. Robbins - Sierran threadplant.  Present in the CalFlora Database (California distribution map). Synonymy:   Nemacladus rubescens var. interior (Munz) McVaugh
Nemacladus longiflorus Gray - Long-flower threadplant.  Present in the CalFlora Database (California distribution map).
Nemacladus montanus Greene - Mountain threadplant.  Present in the CalFlora Database (California distribution map).
Nemacladus pinnatifidus Greene - Comb-leaf threadplant.  Present in the CalFlora Database (California distribution map).
Nemacladus ramosissimus Nutt. - Small-flower threadplant.  Present in the CalFlora Database (California distribution map).
Nemacladus rigidus Curran - Stout-stem threadplant.  Present in the CalFlora Database (California distribution map).
Nemacladus rubescens Greene - Desert threadplant.  Present in the CalFlora Database (California distribution map).
Nemacladus secundiflorus G.T. Robbins - One-sided threadplant.  Present in the CalFlora Database (California distribution map).
Nemacladus sigmoideus G.T. Robbins - Sigmoid threadplant.  Present in the CalFlora Database (California distribution map).
Nemacladus twisselmannii J.T. Howell - Twisselmann's threadplant.  Present in the CalFlora Database (California distribution map).