Abstract
Acinetospora crinita is present year-round at Wrightsville Beach, North Carolina (USA) but individual plants are small and rarely collected during warmer months. Light-temperature cross-gradient culture experiments failed to explain this phenology since plants grow well at all temperatures between 10 and 30°C. Since reproductive structures are not observed in nature or in culture, it is concluded that this A. crinita population is maintained solely by vegetative fragmentation. Elsewhere, this species has been implicated in the life histories of species of Giffordia and Feldmannia. No such relationship was observed in this study.