Style for Acta Horticulturae and AOB Plants

Could anyone share the styles for these 2 journal please?

Acta Horticulturae- Author guidelines are at http://www.ishs.org/wri/guide.pdf

and AOB Plants- guidelines at http://www.oxfordjournals.org/our_journals/aobpla/for_authors/

I would be very grateful if someone can direct me to a style

thanks

dianne