Northern Burr Reed

Sparganium hyperboreum Laest. ex Beurl.

fruit width

• North American Flora: 8 mm (min)
• North American Flora: 10 mm (max)
• North American Flora: 10 mm (max)
• North American Flora: 8 mm (min)

geographic distribution

• North American Flora: Newfoundland
• North American Flora: Europe
• North American Flora: Greenland
• North American Flora: Sweden
• North American Flora: arctic

leaf width

• North American Flora: 4 mm (max)
• North American Flora: 1 mm (min)

stem height

• North American Flora: 3 dm

stem length

• North American Flora: 5 dm