Asperula orientalis (known as Annual Woodruff or Oriental Woodruff) is a species of flowering plant in the family Rubiaceae. It is found from Turkey, western Syria, Iraq, the Caucasus and Iran. It is often used as an ornamental plant in various regions and is reportedly naturalized in Oregon, North Dakota and the Czech Republic.
- "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.
- Boissier, Pierre Edmond & Hohenacker, Rudolph Friedrich. 1843. Diagnoses Plantarum Orientalium Novarum, ser. 1, 3: 30–31
- Kew World Checklist of Selected Plant Families, Asperula orientalis
- Plants Profile: Asperula orientalis
- photo of herbarium specimen at Missouri Botanical Garden, syntype of Asperula orientalis'
- World Checklist of Rubiaceae
- Asperula orientalis
- Outside Pride (Independence Oregon USA), Shake the Seed, Blue Woodruff Seeds
- Annie's Annuals & Perennials (Richmond California USA), Blue Woodruff
- Chiltern Seeds (Wallingford UK), Asperula orientalis, blue woodruff
- Kings Seeds (Katikati, Bay of Plenty, New Zealand), Asperula sweet blue woodruff
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