PARAGUAYENSE ssp. BERNALENSE Kimnach & Moran, 1986

Synonym : Byrnesia bernalensis  (Kimnach & Moran) Heath (1994)

Distribution : Mexico (Tamaulipas); north-exposed porphyric rocks, 700 – 800 m; only knows from the type locality.

Differs from ssp. paraguayense :

Smaller in all parts; stems 5 – 6 mm in diameter.

Rosettes 2,5 – 6 cm in diameter.

Leaves 2,5 – 3,5 x 1 – 1,6 cm, yellowish or greenish-cream.

Flowers : Corolla 11 – 15 mm in diameter, petals 2,5 – 3 mm broad, tube 2,5 – 3 mm broad, pure white or upper face with 1 – 2 faint blotches near the margins.

Cytology : n = 68