Book  (2018)  Page(s) 536.  Includes photo(s).
 
Rosa dumalis Bechst. subsp. boissieri (Crepin) Ö. Nilsson
General spread is in Caucasia, Georgia, Armenia, northwestern Iran and Turkey. ....There are two varieties in our country:
Rosa dumalis Bechst. subsp. boissieri (Crepin) O. Nilsson var. boissieri: Foliage is without a bluish waxy layer, central leaf axis is green. Spraeds in Rize, Gumuşhane, Kastamonu, Kars, Erzincan, Bingol, Erzurum, Van, Ağrı vand Hakkari areas.
Rosa dumalis Bechst. subsp. boissieri (Crepin) O. Nilsson var. antalyensis (Manden.) O. Nilsson: Foliage with a bluish waxy layer, central axis is purplish. This endemic taxon grows in our country around Antalya and Isparta.
 

Website/Catalog  (29 Feb 2016)  
 
R. Boissieri, an erect shrub, 3-4 m high, similar to the European R. montana, with white to dark pink flowers, 50-60 mm in diameter; habitat: Azerbaijan, Tehran province (Lavāsān), Khorasan (Ḵātamsāz, p. 50); also reported from Iraqi Kurdistan, Anatolia, etc. (Zieliński, p. 17).

http://www.iranicaonline.org/articles/gol

Book  (2007)  Page(s) Vol. II, p. 207.  Includes photo(s).
 
Rosaceae (Gülgiller), Rosa dumalis ssp. boissieri var. boissieri (İtgülü; Kuşburnu). 4 [?] petals. 1.0-2.0 m. North-central and eastern Turkey. Mountains, meadows, green slopes, forests, woodlands, river and lake shores, sandy areas, rocky areas. 1000-2300 m. May-June. Perennial woody plant.

Book  (1971)  Page(s) 365.  Includes photo(s).
 
R.boissieri Crepin in Bull. Soc. Bot. Belg. VIII (1869) 340.
Shrub, rather high, with strict erect glabrous shoots and branches, covered with brown bark and profuse prickles; prickles small, rather thin, horizontally spreading, erect or slightly curved, flattened at base; leaves medium-sized or rather large, usually with 5—7 leaflets; leaflets thick, slightly velutinous -pubescent above, tomentose -pubescent, whitish beneath, eglandulose or with few glands on midrib, broadly ovate -elliptic, short-acuminate, with simple, rarely nearly double teeth slightly curved upward,
eglandulose at their tips; petioles tomentose-pubescent, often unarmed; stipules distinctly broadened, with broad not divergent glandular-ciliate auricles. Flowers usually solitary; pedicels short, 6— 13 mm, glabrous, smooth, rarely glandular -hispid, hidden by stipules of bracts; hypanthia glabrous and smooth, ovoid-globose; sepals eglandulose, two sepals with two pinnules, one with one pinnule, the rest entire or with very long linear mucro; corolla 5—6 cm in diameter, white or pale pink; style villous; stigma forming a large head. July. (Plate XXX, Figure l).
Forest edges and glades, to subalpine zone.— Caucasus: Cisc, Dag., E. and W, Transc, Tal. Gen. distr.: Artvin District, Turkish Armenia and Lazistan. Described from Djumil Valley (Lazistan). Type in Geneva
(Boissier Herbarium).