Xerces is a non profit that "protects wildlife through the conservation of invertbrates and their habitat." They have extensive resources for many topics including monarchs and milkweeds, pollinator ID, and planting natives to enhance habitat.
A wonderful resource that provides information on installing plantings for pollinators.
An informational sheet describing our Central Valley Pollinator Mix, which was developed with the Xerces Society.
UC Berkeley's research group has information and resources about native pollinators and honey bees.
The ICP Project is a collaboration of researchrs and growers that is developing "context-specific Integrated Crop Pollination recommendations on how to most effectivly harness the potential of native bees for crop pollination." It is a nationwide program but some of the research and workshops are put on in California. They have resources for a variety of crops including almonds.