The Scottish Redwood Trust started cataloguing redwoods in 2018 with approximately 250 trees. We now have a growing group of 'spotters' who, regularly, report their findings. The catalogue, as of 25/11/21, stands at:
Sequoiadendron Giganteum (giant): 3,381
Sequoia semperviren (coast): 938
Metasequoia (dawn): 254
For a total of 4564 trees!