Posted by Gus on 6/2/2008, 8:41 pm, in reply to "Re: Snow Gums: Eucalyptus pauciflora & Eucalyptus gregsoniana in bloom" Link: Eucalyptologics: Info resources on Eucalypt growing around the world
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There it goes another old botanical story George 
Much of it is speculation, but not unreasonable
William Blakely named it E. pauciflora var. nana in 1934, apparently after reviewing samples collected by Joseph Maiden in 1906 which that author had classified as E. coriacea (a then old invalid name for part of the E. pauciflora). So, Blakely was possibly "updating" it to E. pauciflora, but pointing to its small size (var. nana).
Some of the samples that Maiden used by 1906 were possibly sent to him by Jesse Gregson some 30 years before Blakely.
By 1973 Lawrie Johnson and Don Blaxell reviewed this eucalypt and possibly prefferred to acknowledge Jesse Gregson (E. gregsoniana) for discovering or his son Edward J. Gregson for rediscovering this nice eucalypt in the Wolgan than just "updating" a variety to a subspecies (E. pauciflora ssp. nana).
After 1973 it started to get known by that name, seed started to flow overseas and some 100 years after its discovery it has spread around the world as the Dwarf Snow Gum or Gregson's eucalypt
If you find the time to photograph your blooming euc and email me some photos, that would be great! The more different specimens to compare, the better
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