VIRENS ssp. EXIMA Moran, 1995
Distribution : Mexico (Baja Califomia: Guadalupe Island); cliffs, 250 - 800 m.
Differs from ssp. virens:
Stems erect or pendent, to 30 x 1 - 2.5 cm.
Rosettes 5 - 15 cm in diameter, with 15 - 55 congested leaves, branched and cushion-forming with up to 15 rosettes together.
Leaves linear to oblong-oblanceolate, narrowly to broadly pointed, 4 - 7 (-17) x 0.6 - 1 (-1.5) (basally 0.5 - 1.5) cm, pale green or farinose.
Inflorescences scape 5 - 20 cm, 2 - 5 mm in diameter, often quite weak; inflorescence 2 - 7 (-12) cm in diameter, usually with 2 – 4 densely .arranged ascending not or 1x branched scorpioid branches, these 1 - 6 cm, with 3 - 10 flowers, pedicels 1 - 6 mm.
Flowers : Calyx 3 - 6 x 3 - 5 mm, corolla 12 - 18 mm in diameter.
Flowering time : May to June.
Cytology : n = 17, 34
Differing from the other subspecies by the smaller size (Moran 1995: 8). D. virens ssp. extima and D. guadalupensis are both endemic on Guadalupe Island. These 2 are the Dudleya taxa that occur farthest away from the mainland.