Species Vernonia thodei

For William Vernon (1666–1711), English botanist and bryologist, fellow of St Peter’s College, Cambridge, graduating with a BA (1688) and MA (1692); a Fellow of the Royal Society, who collected plants in Maryland, Virginia, North America, in 1696 with the English Reverend Hugh Jones (1671–1702) (a replacement for John Banister, who was accidently shot dead while collecting plants in 1692) and Dr David Krieg (1669–1710), German surgeon and botanist, a correspondent of Petiver. All together they collected more than 650 plants from Maryland.