Pollen fertility of the Islamabad flora

Pollen fertility of the flora of Quaid-i-Azam University, Islamabad, has been studied. Observations revealed that the highest value of pollen fertility was found in Cynoglossum lanceolatum as 99.9% and the lowest value was noted in Boerhaavia diffusa as 51.85%. Most of the flora of the area is genetically stable having the range of pollen fertility as 81 to 86%