[66] Scopoli 1760.

[67] Adanson 1763.

[68] Hudson 1762 and 1778.

[69] Withering 1776.

[70] Lightfoot 1777.

[71] Dickson 1785.

[72] Weber 1780.

[73] Sibthorp 1794.

[74] Relhan 1785 and 1820.

[75] Smith 1790.