Canary Island date palms, <i>Phoenix canariensis</i>, with Fusarium wilt caused by <i>Fusarium oxysporum</i> f.sp. <i>canariensis</i>, typically have a much-reduced canopy of leaves.
Canary Island date palms, Phoenix canariensis, with Fusarium wilt caused by Fusarium oxysporum f.sp. canariensis, typically have a much-reduced canopy of leaves.
Credit: Donald R. Hodel, UCCE Los Angeles County