Petalonema alatum is a cyanobacterium (cyanophyte, cyanoprokaryote) described and drawn first time by the Scottish author Dugald Carmichael under the taxonomic name Oscillatoria allata in the book of Scottish cryptogamic flora edited by Greville in 1826 and later published under the still valid name Petalonema alatum by Miles Joseph Berkeley in 1833.
Hoagy Carmichael | Ian Carmichael | Stokely Carmichael | Carmichael, California | Ricky Carmichael | John Carmichael (sportswriter) | Franklin Carmichael | Carmichael | Amy Carmichael | Ralph Carmichael | Peter Carmichael | Hugh Lyle Carmichael | Herbert Carmichael Irwin | Ewan Carmichael | Dugald Stewart | Dugald Buchanan | Carmichael College | Welcome Home, Roxy Carmichael | Sir John Carmichael-Anstruther, 5th Baronet | Sir Dugald Campbell, 1st Baronet | Robert-Ralph Carmichael | Peter "Hoagy" Carmichael | Nelson Carmichael | Neil Carmichael, Baron Carmichael of Kelvingrove | Katy Carmichael | James Wilson Carmichael | James William Carmichael | Frank Carmichael | Dugald, Manitoba | Dugald Drummond |