This document discusses 5 invasive plant species that were introduced in Pakistan, including their native regions, purposes of introduction, and major impacts. It describes how Broussonetia papyrifera was introduced in the 1960s to green the capital area but became a serious allergen and competitor of natural biodiversity. Parthenium hysterophorus was introduced accidentally in the 1980s and is hazardous to human health and cattle, causes crop loss, and threatens natural biodiversity. Prosopis juliflora was introduced in 1878 for sand dune stabilization but replaced natural biodiversity at a huge scale and causes cattle poisoning. Lantana camara was also introduced and causes changes in vegetation, repels fauna with its
8. Botanical name Common name Life form native
Prosopis juliflora Kabuli kikar, valayati jand Tree North and South America
Broussonetia
papyrifera
Paper mulberry, Gul toot Tree South East Asia
Cassia obtusifolia Chakunda Shrub Australia
Lantana camara Panch phuli Shrub Americas
Morus alba L. White mulberry, Sfaid
tut
Ttree Nothern China
Parthenium
hysterophorus L.
White top, Congress
grass, Carrot grass
Herb North Central
America
9. Plant speceis Purpose of introduction Major impacts
Broussonetia papyrifera
(1960,s
To make capital area (Islamabad)
green in short duration
Serious human and cattle
allergen, Competitor of natural
biodiversity
Parthenium hysterophorus
(1980,s)
Accidenta Hazardous to human health and
cattle, crop loss, threat to natural
biodiversity, Alternative host to
TSV
Prosopis juliflora
(1878)
Sand dunes stabilization Replacement of natural
biodiversity at huge scales, cattle
poisoning
Lantana camara Change in vegetation,repel the
associated fauna by its strong
odor, cattle poisoning
