Al-Tabarani recorded this narration from her in al-Mu'jam al-Awsat: When the Prophet (peace and blessings be upon him) married Sayyidah Maymunah (may Allah be pleased with her), he was at that time in the state of ihram. The narrators of al-Bazzar are the narrators of the Sahih.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب النكاح / 7406