Texas Balloonwort Sphaerocarpos texanus

The texas ballonwort is a small, thalloid, dioecious liverwort. Male plants are much smaller (3–5 mm in diameter) than females (up to 12 mm in diameter). It is a winter annual, appearing in autumn and dying in spring. Image: Galiano (iNaturalist)

Find out more: iNaturalist, British Bryological Society