There are multiple efforts on Maui right now geared toward supporting Lahaina & Kula residents with trees and plants during the rebuild. For now, here's the latest updates regarding resources for trees:
Visit Treecovery Hawaii and click on "Request Trees."
Community Resources About Plants, Resilient Landscaping, and Invasive Species
Resources for Native Plants, Canoe Plants, and Plants Suitable for Lahaina
Plants for Coastal Lahaina Coastal Plants for Creating Green Breaks | Pacific Fire Exchange
Plant Pono resource to find a plant suitable for your area Plant Pono | Hawaii
University of Hawaii College of Tropical Agriculture and Human Resources Documents:
Books:
Resources for Resilient landscaping
Firewise Guide to Landscape and Construction Firewise Guide to Landscape and Construction — Hawaii Wildfire Management Organization (squarespace.com)
For Larger Landscapes: