VIRENS (Rose) Moran, 1943
Synonyms :
Stylophyllum virens Rose (1903) / Cotyledon virens (Rose) Fedde (1904) / Echeveria virens (Rose) A.Berger (1930)
Distribution : USA, Mexico.
D. virens is distinguished within subgenus Stylophyllum by the combination of flattened and non-viscid leaves with white flowers with petals that spread from near the middle (Moran 1995).
Four subspecies :
Dudleya virens ssp. extima Moran, 1995
Dudleya virens ssp. hassei (Rose) Moran, 1995
Dudleya virens ssp. insularis (Rose) Moran, 1995
Dudleya virens ssp. virens