Longflower threadplant (Nemacladus longiflorus)
Same genus
- Common threadplant (Nemacladus capillaris)
- Glandular threadplant (Nemacladus glanduliferus)
- Slender threadplant (Nemacladus gracilis)
- Sierra threadplant (Nemacladus interior)
- Mountain threadplant (Nemacladus montanus)
- Combleaf threadplant (Nemacladus pinnatifidus)
- Smallflower threadplant (Nemacladus ramosissimus)
- Stoutstem threadplant (Nemacladus rigidus)