TABLE 1.

List of eukaryotic airborne microalgae^a

Kingdom or subkingdom, phylum or class, and genus	Substrate(s)	Presence in location:										Reference(s)
		Antarctic	South/Southeast Asia	Central America	Europe	Nearctic	Palearctic	Central Pacific	Taiwan	Transatlantic	Eastern USA
Chromista
Bacillariophyta
Achnanthes	Air										x	6
Amphora	Air										x	6
Chaetoceros	Air					x					x	6, 7
Coscinodiscus-like	Air					x					x	6, 7
Cyclotella	Air		x				x					7, 17
Cymbella	Air		x									17
Eunotia	Air		x									17
Fragillaria	Air				x							14, 82
Gomphonema	Air								x			6
Grammatophora	Air				x							8
Hantzschia	Air	x	x		x	x	x		x		x	6, 7, 14, 17, 82
Melosira-like	Air		x			x					x	6, 7, 17
Navicula	Air		x		x	x	x				x	6, 7, 14, 17, 82, 159
Naviculoid diatom	Air								x			6
Nitzschia	Air		x	x	x	x			x		x	6–8, 13, 17, 159
Pinnularia	Air	x	x									7, 17, 159
Stauroneis	Air		x									17
Synedra	Air		x									17
Tabellaria	Air			x								13
Unknown diatom	Air	x	x	x		x	x				x	6, 7, 12
Ochrophyta
Botrydiopsis	Air					x		x			x	6, 7, 20
Botrydium	Air							x				20
Chromulina	Air										x	6
Chrysocapsa	Air					x					x	6, 7
Haplosiphon	Air							x				20
Heterococcus	Air					x		x			x	6, 7, 20
Heterothrix	Air				x		x					7, 14, 82
Heteropedia	Air					x						7
Monallantus	Air							x			x	14, 20, 82
Monocilia	Air										x	6
Spumella	Air				x							8
Tribonema	Air					x					x	6, 7
Vaucheria	Air					x					x	6, 7
Viridiplantae
Charophyta
Closterium	Air		x									159
Coleochaete	Air								x			6
Cosmarium	Air					x					x	6, 7
Cylindrocystis	Air					x		x			x	6, 7, 20
Klebsormidium	Facade				x							15
Mesotaenium	Air			x								12, 13
Mougeotia	Air				x							8
Roya	Air					x					x	6, 7
Zygnema	Air				x			x				7, 8, 20
Chlorophyta
Actinastrum	Air				x		x					6, 7
Ankistrodesmus	Air					x					x	6, 7
Apatococcus	Air				x							15
Asterococcus	Air					x			x		x	6, 7
Borodinella	Air					x					x	6, 7
Botryokoryne	Air			x								12, 13
Bracteacoccus	Air					x		x	x		x	6, 7, 28
Chaetophoracean-like	Air							x				20
Chlamydomonas	Air	x		x	x	x		x	x		x	6–8, 13, 14, 20, 82
Chlorellab	Air		x	x	x	x	x	x	x		x	6–8, 12–15, 17, 20, 82, 159–161
Chlorococcumb	Air		x	x	x	x	x	x	x	x	x	5–7, 12–14, 17, 20, 82, 159
Chlorohormidium	Air				x							7, 14, 82
Chlorosarcina	Air					x		x	x		x	6, 7, 20
Chlorosarcinopsis	Air, facade				x	x		x			x	6–8, 15, 20
Chlorosphaera	Air	x										7
Chlorosphaeropsis	Air					x					x	6, 7
Choricystis	Facade											15
Coccobotrys	Facade				x							15
Coccomyxa	Air, facade				x				x			6, 15
Coelastrum	Air					x					x	6, 7
Desmococcus	Facade				x							15
Dictyochloris	Air					x					x	6, 7
Dictyococcus	Air							x				20
Dimorphococcus	Air	x										7
Diogenes	Air			x								13
Eudorina	Air										x	6
Friedmannia	Air					x					x	6, 7
Geminella	Facade				x							15
Gloeococcus	Air								x			6
Gloeocystis	Air				x	x			x		x	6–8
Hematococcus	Air				x							8
Hormidium	Air	x	x	x	x	x	x	x	x	x	x	5–7, 12, 13, 20, 159, 160
Hormotila	Facade				x							15
Hormotilopsis	Air										x	6
Keratococcus	Facade				x							15
Klebshormotilopsis	Air					x						7
Lobosphaera	Air				x							8
Microspora	Air					x					x	6, 7
Microthamnion	Air							x				20
Monoraphidium	Air				x							8
Myrmecia-like	Air								x			6
Nannochloris	Air					x		x			x	6, 7, 20
Neochloris	Air					x		x			x	6, 7, 20
Oedogonium	Air		x			x					x	6, 7, 159
Oocystisb	Air		x			x		x	x		x	6, 7, 17, 20
Ourococcus	Air					x					x	6, 7
Palmella	Air					x					x	6, 7
Palmellococcus	Air					x			x		x	6, 7
Palmellopsis	Facade				x							15
Pediastrum	Air						x					7
Planktosphaeria	Air					x			x		x	6, 7
Pleodorina	Air					x						7
Pleurastrum	Air					x					x	6, 7
Prasiola	Air	x				x					x	6, 7
Pleurococcus/Protococcusb	Air		x		x	x	x		x	x	x	5–7, 14, 17, 82
Protosiphon	Air					x					x	6, 7
Pseudulvella-like	Air					x					x	6, 7
Radiococcus	Air					x					x	6, 7
Radiosphaera	Air					x		x			x	6, 7, 20
Rhizoclonium	Air					x		x	x		x	6, 7, 20
Rhopalocystis	Air	x										7
Scenedesmusb	Air		x	x	x	x	x	x	x		x	6–8, 12–14, 17, 20, 82
Selenastrum	Air		x									7, 159
Sphaerocystis	Air					x					x	6, 7
Spongiochloris	Air					x					x	6, 7
Spongiococcum	Air					x					x	6, 7
Stichococcus	Air, facade		x		x	x	x	x	x	x	x	5–8, 14, 15, 20, 28, 82, 159, 160
Tetracystis	Air					x		x			x	6, 7, 20, 161
Tetraëdron	Air					x					x	6, 7
Tetraspora	Air					x					x	6, 7
Trebouxia	Air, facade				x	x			x		x	6–8, 15
Trentepohlia	Air, facade				x			x	x			6, 15, 20
Treubaria-like	Air										x	6
Ulothrix	Air			x		x					x	6, 7, 12, 13
Westella	Air					x					x	6, 7

^a“x” indicates the presence of a taxon at the location. Viable cultures have been established from all locations except for the Transatlantic.

^bCulture identified as harmful.