Taxonomic similarity does not predict necessary sample size for conservation: a comparison among five genera.

Effectively conserving biodiversity with limited resources requires scientifically informed and efficient strategies. Guidance is particularly needed on how many living plants are necessary to conserve a threshold level of genetic diversity in collections. We investigated this question for 11 taxa across five genera.

Picking from the Past in Preparation for a Pest: Seed Banks Outperform Herbaria as Sources of Preserved 'Ōhi'a Seed.

Seed banks serve the purpose of maintaining germplasm for species preservation. Herbarium vouchers may be a viable source of unique and/or additional seeds for restoration as they can sometimes be from larger and more representative populations compared with seed banks. Rapid 'ōhi'a death (ROD) has emerged as a serious threat against Hawaii's most iconic and foundational forest tree ( spp.