Laurence Edmondston (1795–1879), British-born naturalist and doctor, brother of Arthur
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Thomas Edmondston (1825–1846), British-born botanist, son of Laurence
He discovered several rare plants growing on the serpentine rocks on Unst, including the endemic Shetland Mouse-ear Cerastium nigrescens, known as Edmondston's Chickweed on the island.