Fig. 2

Circinaria contorta subsp. albida subsp. nov. specimens studied; morphotypes from group B: a, b Poland (WRSL, isolate C. contorta 196), c Poland (WRSL, isolate C. contorta 211), d Poland (WRSL, isolate C. contorta 213); e Apothecium section. Poland (WRSL, isolate C. contorta 189); f Apothecium section after HNO3 treatment. Poland (WRSL, isolate C. contorta 220).