Here you will find some fabulous brushes perfect for floral and still-life paintings. While it's not compulsory to acquire these exact brushes, I suggest you find equivalents or use similar ones you may already possess.
Personal preference determines whether you opt for a long or short handle.
Evergreen Short Flats
Sizes Recommended:
0, 2, 4, 6 & 8
Perfect for petal strokes
Evergreen Riggers
Sizes Recommended
0, 2 & 4
Fine lines & details
Series 301 Pointed Rounds
Sizes Recommended
0, 2, 4 & 6
Small details such as flower centres
Eclipse Dombed Filbert
Sizes Recommended
2, 4, 6 & 8
Perfect for daisies and other domed flowers
Mundy Mops
Sizes Recommended
1/4", 1/2" & 1" - However the set of 5 is great value!
For Softening backgrounds and flowers.
Smooshing Brushes
Sizes Recommended
Extra small, small & Medium
But the large is also superb
Not essential for flowers but I always recommend everyone has these in their kits! it's my most used brush!