Hann Osborne and Plant Mapping of California’s Ecological Zones

UCSC Arboretum horticulturalist Hann Osborne discusses his efforts to identify plant species in dozens of habitats throughout California. These geographic areas vary by soil, altitude, temperature ranges, rainfall, proximity to the ocean, and the degree to which development has affected them. Osborne and his crew record the plant species found in each area to create […]