demic ▁plant ▁species ▁of ▁Tr in idad ▁and ▁Tob ago ▁considered ▁it ▁a ▁crit ically ▁end anger ed ▁because ▁it ▁is ▁known ▁from ▁only ▁a ▁single ▁local ity , ▁and ▁this ▁area ▁is ▁shr inking ▁or ▁experien cing ▁habitat ▁de grad ation . ▁ ▁See ▁also ▁ ▁End em ic ▁fl ora ▁of ▁Tr in idad ▁and ▁Tob ago ▁ ▁References ▁ ▁Category : A can th aceae ▁Category : C rit ically ▁end anger ed ▁plants ▁Category : End em ic ▁fl ora ▁of ▁Tr in idad ▁and ▁Tob ago <0x0A> </s> ▁Hal avan - e ▁P ain ▁( , ▁also ▁Roman ized ▁as ▁Hal av ā n - e ▁P ā ’ ī n ; ▁also ▁known ▁as ▁Hal av ā n ▁and ▁Hal v ī ā n ) ▁is ▁a ▁village ▁in ▁Se h ▁He zar ▁R ural ▁District , ▁K hor ram abad ▁District , ▁T one k ab on ▁County , ▁Maz and aran ▁Province , ▁Iran . ▁At ▁the ▁ 2 0 0 6 ▁census , ▁its ▁population ▁was ▁ 2 0 , ▁in ▁ 4 ▁families . ▁ ▁References ▁▁ ▁Category : Pop ulated ▁places ▁in ▁T one k ab on ▁County <0x0A> </s> ▁S ut ri ▁Par ish ▁() ▁is ▁an ▁administrative ▁unit ▁of ▁L ī v ā ni ▁Municip ality ▁and ▁the ▁pre - 2 0 0 9 ▁Pre i ļ i ▁District , ▁Lat via . ▁ ▁Town s , ▁villages ▁and ▁settlement s ▁of ▁S ut ri ▁Par ish ▁▁ ▁Category :