In 1831, the population of the borough was 4,008, and contained 784 houses.

In 1831, the population of the borough was 3,908, and contained 891 houses.

Today the only known population contains 20 to 30 plants, but some of these appear to be reproducing.

The population contains 5,000 to 10,000 plants on an area of land covering less than 300 acres.

The two populations of this rare plant contain no more than 30 individuals in total.

In 1990, this population contained only three or four individuals.

In 1831, the population of the borough was 3,375, and contained 596 houses.

In 1831, the population of the borough was 513, and contained only 85 houses.

In 1831, the population of the borough was 888, and contained 169 houses.

In 1831, the population of the borough was 663, and contained 188 houses.