Tissue Quick Plant Laboratories, TQPL Supplies.
Supplies worldwide to plant tissue culture and orchid industry, autoclavable aseptic venting technologies in PTFE, plant culture containers and specialist orchid media.

Conviron
Product and sales information and profile of a company which manufacturers plant growth chambers.

Herbarium Supply
Supplies for herbaria and field botanists. Based in Menlo Park, California.

PlantMedia.com
Plant tissue culture media and equipment, growth hormones, and antibiotics