Table 1.

Estimated number of species per family^42,43.

Subclass	Order	Family	Number of Species
Lecanoromycetidae	Lecanorales	Parmeliaceae	2760*
		Gypsoplacaceae	1
		Tephromelataceae	50
		Lecanoraceae	780
		Pilocarpaceae	380
		Malmideaceae	53
		Cladoniaceae	810
		Ramalinaceae	675
		Biatoraceae	150
		Psoraceae	55
		Sphaerophoraceae	38
		Catillariaceae	175
		Scoliciosporaceae	16
		Psilolechiaceae	4
	Teloschistales	Teloschistaceae	700
		Megalosporaceae	38
		Brigantiaeaceae	50
	Caliciales	Physciaceae	580
		Caliciaceae	630
	Peltigerales	Peltigeraceae	611
		Massalongiaceae	5
		Vahliellaceae	8
		Koeberiaceae	8
		Collemataceae	190
		Placynthiaceae	30
		Pannariaceae	400
		Coccocarpiaceae	38
	Lecideales	Lecideaceae	200
	Rhizocarpales	Rhizocarpaceae	230
	Sporastatiales	Sporastatiaceae	5
Ostropomycetidae	Graphidales	Diploschistaceae	600
		Thelotremataceae	250
		Graphidaceae	1250
		Fissurinaceae	160
		Gomphillaceae	420
	Gyalectales	Porinaceae	360
		Coenogoniaceae	90
		Sagiolechiaceae	4
		Gyalectaceae	90
		Phlyctidaceae	20
	Odontotrematales	Odontotremataceae	22
	“Ostropales”	Asconditella clades	14
		Stictidaceae	210
		Ascarosporinaceae	5
	Thelenellales	Thelenellaceae	65
	Ochrolechiales	Ochrolechiaceae	60
		Varicellariaceae	7
		Variolariaceae	5
		Microcaliciaceae	4
		Megasporaceae	240
	Pertusariales	Pertusariaceae	400
		Agyriaceae	5
		Icmadophilaceae	55
		Coccotremataceae	26
	Baeomycetales	Trapeliaceae	117
		Xylographaceae	33
		Arctomiaceae	12
		Baeomycetaceae	16
		Cameroniaceae	2
		Protothelenellaceae	14
		Arthrorhaphidaceae	14
		Hymeneliaceae	28

*For families that contain more than 500 species the species numbers are shown in bold.