RECORD: Darwin, C. R. n.d. it appears that patches of the Canada Thistle first appeared on a farm in Dutchess county. CUL-DAR49.127. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 1.2022. RN1
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR49 contains notes for Natural selection chap. 3 on 'On...organic beings occasionally crossing' or dichogamy.
[127]
Vol 3. p. 76
it appears that patches of the Canada Thistle first appeared on a farm in Dutchess county in 1809 & spread by root at rate of 4 feet per annum & soon covered acres.
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 25 September, 2022