Gewhnlicher Liguster Ligustrum vulgare sterreichische Mammillaria spinosissima Cactus Philodendron Florida Philodendron Pedatum BloomBoxClub Italy If you're seeing orange, brown, or almost rusty looking spots like this, it's not damage, it's a fungal infection called Rust Fungus It develops when moisture sits on the leaves for Get your mind out of the gutter! Mammillaria Perezdelarosae Var Andersoniana Crested Grafted by Kyle Frost Reptiles *Ornamental, NOT for use with animals. We just couldn't resist posting it.