Clematis Tessellation
This is a relatively simple tessellation which should be suitable even for beginners. Despite the simplicity, with a bit of shaping, it can look quite nice.
Flowers
Models which represent more or less realistic flowers. Obviously, some abstract patterns can be considered floral and the demarcation is a bit fuzzy.
This page lists folding instructions for models of a single type. You might be interested in the models themselves instead.
Sunflower Tessellation
A crease pattern was published in Origami Box of the Ultimate Origami Convention 2017.
Houstonia Box
Instructions for my Houstonia Box were published as part of my Interview for The Fold.