It is still widely referenced under its previous name Muscari azureum .
P. azureum may be found in horticultural sources under the illegitimate name Hyacinthus azureus .
P. azureum is still widely referenced under P. azureum 's previous name Muscari azureum .
P. azureum may be found in horticultural sources under the illegitimate name Hyacinthus azureus .