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Scleria eggersiana

Common Name: Egger's nutrush

Family: Cyperaceae

Common Synonyms: Scleria mitis subsp. eggersiana

USDA Hardiness Zone: NA

Growth Habit: Graminoid

Origin: Numerous Caribbean nations, Central and South America

FISC Category: 1

FDACS Listed Noxious Weed: No

Introduction Date: 2016

IFAS Assessment:

  • North: CAUTION
  • Central: INVASIVE
  • South: INVASIVE
Scleria eggersiana
Ryan Brown
Scleria eggersiana
Alex Onisko

Description

Perennial graminoid to 2.5m tall with triangular stem and 3-ranked leaves. Leaves longer than native Scleria spp., darker with a hint of blue in sunlight, blades somewhat pleated. Leaf base is decurrent, not as exaggerated as in S. microcarpa. Fruits (achenes) lacking protective bracts (similar to non-native S. microcarpa), achenes disperse with a 'cupula'.

Habitat

Cypress domes and strand swamps

Comments

NA

Map of species distribution

Control Methods

  • Manual: NA
  • Chemical: Foliar (2-3% glyphosate, 0.5% surfactant) worked well in SW FL.
  • Biological: NA

Control Notes

Treatment tip from Mike Knight, FFS.

References

Alex Onisko, personal communication.

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