Pinterest • The world’s catalogue of ideas
from Etsy

Vintage Botanical Print Antique BRITISH SEAWEED 25, plant print botanical print, bookplate art print, sea plants plant wall print wall art

If you want an easy and inexpensive DIY route, you can find a pretty good selection of black botanicals at Vintage Printable. These are pictures from their site. Dwellings By DeVore: Black Botanicals