Based on an September 2020 extract of the California Plant Rescue Database, California Botanic Garden holds 2 accessions of Dudleya blochmaniae subsp. blochmaniae in orthodox seed collection. There are as many as 810300 seeds of this species in their collection - although some may have been used for curation testing or sent to back up.
Based on an August 2020 extract of the California Plant Rescue Database, California Botanic Garden has collected 2 seed accessions of Dudleya blochmaniae subsp. blochmaniae from 1 plant occurrences listed in the California Natural Diversity Database. These collections together emcompass an unknown number of maternal plants
Dudleya blochmaniae ssp. blochmaniae is known from fewer than twenty extant occurrences in southern California and fewer than five extant occurrences in Baja California, Mexico. Development seriously threatens this taxon.
Less than twenty sites in California and less than five in Baja California. (Reiser 1994)
Protect all southern California populations.
Survey for new locations.
Maintain a genetically representative seed bank.
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