ORIGIN

SE Asia, SW Pacific, Australia

COMMON NAME

Swamp Oak

BOTANICAL NAME

Casuarina glauca

IDENTIFICATION

Plants resemble pine - from a distance may be confused with young kahikatea. Has slender often weeping branches. New growth often orange/brown. Many small cone-like seed pods occur directly on branches.

HABITATS

Common shelter plant in horticultural areas. Spreads in wetlands and saltmarshes.

IMPACT TO BIOTA AND ECOSYSTEMS

Spreads into wetlands, changes water flow and forms dense growth shading out native species.

DISPERSAL ROUTES, VECTORS, INFESTATION SOURCES

Seed, long-lasting.

MANAGEMENT

Physical Control
Hand pull small plants. Cut larger trees and treat stump with herbicide.

Disposal

Chemical Control

Biological Control

Recommended Approach
Cut large seeding trees and apply herbicide. Hand pull seedlings if possible. Revisit site for several years.

FURTHER COMMENT