About Calyptridium monospermum Greene
Calyptridium monospermum Greene, also known by the synonym Cistanthe monosperma, is a perennial plant in the Montiaceae (miner's lettuce) family. Its common name is one-seeded pussypaws. This species was previously classified within the purslane family, Portulacaceae. It is native to western North America, ranging from Oregon to Baja California. It can grow in multiple habitat types, including forests and woodlands.