There are a number of interesting sites that have additional information
that you may find useful. Click the links below for more enjoyment.

Vallarta Botanical Gardens
A nonprofit development just a few miles south of Puerto Vallarta
Open every day except Monday.
A great place to spend the day and enjoy the wonders of Nature.
Vallarta Botanical Gardens

Xplanta
XPlanta is an Ethno-Botanical Garden and
Micro-Propagation Laboratory in Puerto Vallarta, Mexico.
Visit this site for up-to-date information on classes, plant sales, etc.
Xplanta

CactiGuide
An online catalog of the different species of Cactus found around the world.
There are over 1800 different species of Cactus. This site has over 775 of them
and has over 2000 photos online. Worth visiting if you have an interest in Cacti.
CactiGuide