If DNA barcoding works for fish, it might also work for flowers, says this article in Scientific American. Katherine Harmon writes that the technique is a bit behind in plants than animals as plants as their mitochondria don’t differ as much as ones between animals do and because plants hybridize more readily. But, she says, researchers are focusing on two genes, rbcL and matK, to develop standard barcodes for plants, though it is currently about 70 percent accurate.
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