Mertensia Franciscana

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Mertensia Franciscana

Description Mertensia Franciscana, commonly known as Franciscan bluebells, is a rare and endangered species of flowering plant in the borage family. It is endemic to the serpentine soils of the Franciscan Formation in San Francisco and San Mateo Counties, California. The plant was first discovered in the 1930s and was not seen again until 1987. It is considered one of…