Grassland biodiversity is blowing in the wind

Science Daily
Temperate grasslands are the most endangered but least protected ecosystems on Earth. A new study found that milkweeds and other plants that have seeds carried by the wind are an important source for enriching the diversity of plants in these valuable ecosystems. Story here.
Grasslands Nat'l. Park, Canada.
Milkweed in a roadside ditch in Manitoba.
Photos by PinP.