• ohoradendron serotinum,
• lhoradendron serotinum,
• -horadendron serotinum,
• 0horadendron serotinum,
• pgoradendron serotinum,
• pboradendron serotinum,
• pnoradendron serotinum,
• pjoradendron serotinum,
• puoradendron serotinum,
• pyoradendron serotinum,
• phiradendron serotinum,
• phkradendron serotinum,
• phlradendron serotinum,
• phpradendron serotinum,
• ph0radendron serotinum,
• ph9radendron serotinum,
• phoeadendron serotinum,
• phodadendron serotinum,
• phofadendron serotinum,
• photadendron serotinum

The adjective form of the word "phoradendron serotinum" is "phoradendron serotinum". Adjectives in scientific names typically retain the same form as the original name.

The plural form of "Phoradendron Serotinum" is "Phoradendron Serotinum." The scientific name does not change in its plural form.

The singular form of the word "Phoradendron Serotinum" is "Phoradendron Serotinum". This is already a singular name, also known as the scientific or botanical name of a species of mistletoe.