While looking for some information about the establishment of the Stipa experiment, I encountered an x-ray image of a few Stipa propagules (Hesperostipa spartea). Check it out…
I also found some x-ray images of Echinacea angustifolia achenes. There are higher resolution images than the ones we now take for data analysis.

An x-ray image of achenes & other stuff from an Echinacea angustifolia head with higher magnification



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