Also called duckweed, although do not confuse with very-distantly related duckweed  subfamily Lemnoideae (part of arum  family Araceae ) also sometimes called that.

Part of purslane  family Portulacaceae.

Native to [confusing or uncertain], now grows in most land areas of the world.   Invasive > 🌐︎ various Invasive > 🇺🇸 USA  

Uses by native peoples
(Ethnobotany database)
 Good to eat, according to some sources?

Unique among plants, purslane does photosynthesis using two different metabolic pathways — one for productivity in hot climates, and one for drought-resistance — and sometimes using both pathways together at the same time.  Currently being closely studied by biologists.

Learn more about purslane or 🐖︎ little hogweed Portulaca oleracea

🔍︎ 🔍︎ images Discover Life Encyclopedia of Life Michigan Flora Minnesota Wildflowers Missouri Botanical Garden Flora of North America NRCS PLANTS db Wikipedia