Cupressus macnabiana A. Murray, Cupressaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Callitropsis macnabiana (A. Murray) D. P. Little; Hesperocyparis macnabiana (A. Murray) Bartel; Neocupressus macnabiana (A. Murray) de Laub.

Common name(s): [more details]

English: MacNab cypress, Shasta cypress, fragrant cypress, white cedar

Habit:  tree

Description:  "Shrubby trees to 12 m; crown broadly conical, dense. Bark rough, furrowed, fibrous. Branchlets comblike, 0.5-1 mm in diameter. Leaves with conspicuous, pitlike, abaxial gland that produces drop of resin, sometimes glaucous. Pollen cones 2-3 x 2 mm; pollen sacs 3-5. Seed cones globose, mostly 1.5-2.5 cm, brown or gray, not glaucous; scales 3-4 pairs, smooth except for erect conic umbos, 2-4 mm. Seeds 2-5 mm, light to medium brown, sometimes slightly glaucous"  (Flora of North America online).

Habitat/ecology:  In the United States (California, native), "chaparral and foothill woodland, often on serpentine; 300-850 m"  (Flora of North America online).

Propagation:  Seed

Native range:  United States (California) (GRIN).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Chile (offshore islands) Juan Fernández Islands	Isla Más a Tierra (Robinson Crusoe Island)	introduced invasive cultivated	Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands) Juan Fernández Islands	Isla Más a Tierra (Robinson Crusoe Island)	introduced invasive	Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 553)
Chile (offshore islands) Juan Fernández Islands	Isla Más Afuera (Alejandro Selkirk Island)	introduced invasive cultivated	Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands) Juan Fernández Islands	Isla Más Afuera (Alejandro Selkirk Island)	introduced invasive	Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 553)

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
United States (west coast) United States (west coast states)	USA (California)	native	Flora of North America Editorial Committee, eds. (2013)

Control:  If you know of control methods for Cupressus macnabiana, please let us know.