The flora of Western Australia comprises 9,437 published native vascular plant species of 1,543 genera within 226 families; there are also 1,171 naturalised alien or invasive plant species more commonly known as weeds.

It can be revoked if the naturalized alien provided false information in his/her application.

His first book allowed that "naturalized aliens" (he mentions daisies) "are welcome in the natural garden."

Dandelions, clover and crabgrass are also naturalized aliens.

Since the beginning of the war demands had been made for the internment of naturalized aliens, and a spy mania developed.

Naturalization of an alien does not automatically extend to his spouse and children, but they may apply as soon as the naturalized alien has taken oath.

Children of a naturalized alien become Greeks if, at the time of completion of the naturalization proceedings, they are not married and are less than 18 year old.

"Overseas Chinese having not established household registration in the Republic of China" (Conscription Regulations for Naturalized Aliens & Returning Overseas Chinese, Article 3)

Under Conscription Regulations for Naturalized Aliens & Returning Overseas Chinese Article 3, NWOHRs do not become subject to conscription until one year from the day after they establish household registration.

In 1909, in collaboration with James Richard Tovey, who conducted the field research, he published a useful work on The Weeds, Poison Plants and Naturalized Aliens of Victoria, and in 1917, in collaboration with Miss Olive B. Davies.