itude ▁H imal ay an ▁valley ▁that ▁has ▁long ▁been ▁acknowled ged ▁by ▁ren owned ▁mount aine ers , ▁botan ists , ▁and ▁in ▁literature . ▁It ▁has ▁been ▁recognized ▁intern ation ally ▁for ▁over ▁a ▁century ▁and ▁is ▁referenced ▁in ▁the ▁H indu ▁religion . ▁Local ▁people ▁have ▁visited ▁the ▁valley ▁since ▁ancient ▁times . ▁Indian ▁y og is ▁are ▁known ▁to ▁have ▁visited ▁the ▁valley ▁for ▁med itation . ▁ ▁The ▁Valley ▁of ▁Flow ers ▁has ▁many ▁different ▁colour ful ▁flowers , ▁taking ▁on ▁various ▁sh ades ▁of ▁colours ▁as ▁time ▁progress ed . ▁The ▁valley ▁was ▁declared ▁a ▁national ▁park ▁in ▁ 1 9 8 2 ▁and ▁now ▁it ▁is ▁a ▁World ▁Heritage ▁Site . ▁ ▁The ▁Valley ▁of ▁Flow ers ▁has ▁gained ▁importance ▁as ▁a ▁region ▁containing ▁a ▁divers ity ▁of ▁al pine ▁fl ora , ▁representative ▁of ▁the ▁Western ▁H imal ay an ▁al pine ▁shr ub ▁and ▁me adows ▁e cor eg ion . ▁The ▁rich ▁divers ity ▁of ▁species ▁reflect s ▁the ▁valley ' s ▁location ▁within ▁a ▁transition ▁zone ▁between ▁the ▁Z ans kar ▁and ▁Great ▁H imal ay as ▁ranges ▁to ▁the ▁north ▁and ▁south , ▁respectively , ▁and ▁between ▁the ▁Eastern ▁H imal aya ▁and ▁Western ▁H imal aya ▁fl ora . ▁A ▁number ▁of ▁plant ▁species ▁are ▁considered ▁threatened . ▁Several ▁have ▁not ▁been ▁recorded ▁outside ▁of ▁U tt ar ak hand . ▁Two ▁have ▁not ▁been ▁recorded ▁in ▁N anda ▁De vi ▁National ▁Park . ▁The ▁divers ity ▁of ▁threatened ▁species