A new record and some rediscovered endemic Silene (Caryophyllaceae) species in Iran

Silene is represented by c. ۱۱۰ species in flora of Iran which growing mainly in the mountainous areas. During several expeditions to different regions of Iran (Tehran, Semnan, Kerman, Kermanshah and Kohgiluyeh va Boyer-Ahmad Provinces) some interesting specimens were collected. S. caucasica, is introduced as a new record for the flora of Iran. Five interesting and very restricted Iranian endemic species including S. sojakii, S. nizvana, S. dschuparensis, S. daenensis and S. hirticalyx are rediscovered from locus classicus after single record of type specimens. The descriptions of these species are improved and their photographs, habitats, geographical distributions are presented.