My work can also be seen on these sites:
http://www.asba-art.org website for the American Society of Botanical Artists
http://www.pnba-artists.com website for the Pacific Northwest botanical Artists (PNBA) the local chapter of the ASBA
Other sites of interest include…
http://www.gnsi.org website for the Guild of Natural Science Illustrators
Craftsy.com for my class and many other art classes, including botanical!
For lots of information on watercolor paper, paints, etc., check out handprint.com