Wheat, barley, sorghum, oats, upland rice, and miscellaneous grains are in individual collections. Spring and winter wheat are currently in the same wheat collection, the difference is denoted in the description. Please use the click menu along the left side of the screen to open each collection.
The grain seed photographs were taken with this level of magnification using a soft white incandescent light bulb for illumination. The diameter of a quarter is 24.26 mm (0.955 in). To give a common sense of scale, notice the 'edge' of the white dipping sauce bowl is consistent from picture to picture.