(SPEC) Iris cristata subsp. lacustris ( Nutt.) Iltis
. (Hugh Helmut Iltis
, 1965) The plants also known as the species Iris lacustris have been considered by some authors as a subspecies of Iris cristata
and were stated as such in Trans. Wisconsin Acad. Sci. 54: 322. 1965. The world checklist of plants still recognizes lacustris
as a separate species. Dykes in The Genus Iris only recognized lacustris as a variety of cristata.
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-- Main.RPries - 2011-03-07