Researchers identify evidence of oldest orchid fossil on record
Oregon State University, Corvallis, Oregon, May 3, 2017
http://oregonstate.edu/ua/ncs/archives/2017/may/researchers-identify-evidence-oldest-orchid-fossil-record
https://www.sciencedaily.com/releases/2017/05/170504093216.htm
Poinar, G. and Rasmussen, F.N., 2017. Orchids from the past, with
a new species in Baltic amber. Botanical Journal of the Linnean
Society, 183(3), pp.327-333. DOI: 10.1093/botlinnean/bow018
https://academic.oup.com/botlinnean/article-abstract/183/3/327/3092413/Orchids-from-the-past-with-a-new-species-in-Baltic
Yours,
Paul H.