Distribution: C Apennines, above 2500 m; limestone crevices.
Perennial with rosettes 1.5-2.5 cm diameter. Flower stem short; flower 1 per stem, 5 mm diameter, white with yellow eye. Fl. V.
(syn. A. bungeana, A. olgae)
Distribution: Alps, Carpathians; rocks, grasslands, mountain halls.
Perennial cespitose up to 10 cm tall. Leaves in ground rosette. Umbel with several flowers, with long petioles. Flowers 6-9 mm in diameter, white, yellow in throat, deeply in throat red. Fl. V-VII.
Distribution: W Pyrenees, above 1300 m above sea level; limestone rocks.
Perennial cushion-forming composed of leaf rosettes ca 2 cm diameter and 2-3 cm tall in bloom. Flowers ca. 8 mm diameter, white, greenish-yellow in central part. Fl. V-VI.
Distribution: Pyrenees, above 2500 m above sea level; granite cliffs.
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Perennial cushion-forming up to 5-6 cm diameter and 5 cm tall. Leaves narrow elliptic. Flowers 5-6 mm diameter, white. Fl. IV-V.