1934, Western Australian Department of Agriculture, Journal of the Department of Agriculture, Western Australia, page 379,
Since these conditions do not obtain in our Southwestern districts it is scarcely necessary to speak well of the weed on this account, and it should always be remembered that if other feed will grow, Paterson′s Curse is an undesirable weed
1945, Queensland Department of Primary Industries, Queensland Department of Agriculture and Stock, Queensland Agricultural Journal, Volume 60,
The specimen bore no flowers or seeds, but has been recognised as Blue Weed or Paterson′s Curse (Echium plantagineum).
2000, David Floyd Smith, Natural Gain In The Grazing Lands Of Southern Australia, page 139,
In Colin′s opinion Paterson′s curse is superbly adapted to southern Australia.