Native grass seed coats ready for planting
By Southwest Biological Science Center
February 2024 (approx.)

Detailed Description
Sand dropseed (Sporobolus cryptandrus) seeds coated with a hydrophobic seed coat designed to delay germination being planted in the Northern Arizona University research greenhouse. Photo by Sarah Costanzo (USGS).
Sources/Usage
Public Domain.
Photo by Sarah Costanzo (USGS).