Trees On Stamps :

New Zealand
Native Trees
White Pine, Rimu, Totara, Kauri
June 7, 1989

United States
California Redwood Forest (Priority Mail)
January 16, 2009

Finland
Multiharju Forest, Seitseminen National Park
February 8, 1982

Peru
Trees
October 20, 2014
Mahogany (Swietenia macrophylla)
Cedar (Cedrela fissilis)
Lupuna (Ceiba pentandra)
Carob (Prosopis pallida)

Here is an image of a stamp depicting a leafless tree with its branches covered by snow, and a winter sun, designed after a poster by Swiss artist Adolf Flückiger (1917-1998), printed by photogravure (Courvoisier, S.A.), and issued by Switzerland on September 9, 1986 to commemorate the 50th anniversary of the Swiss Winter Relief Fund, Scott No. 800, plus an image of the original poster.

- nethryk

Singapore 2015 Listing of Singapore Botanic Gardens as UNESCO World Heritage Site.
In the stamp on top, the tembusu tree features prominently near the centre of the stamp. In the lower stamp, to the left is the rubber tree, with the rubber tapping cup attached to it.

Ecuador
International Year of Forests
May 19, 2011
Cascarilla (Chinchona officinalis)
Ceibo (Ceiba trichistandra)
Jacaranda (Jacaranda sp.)
Algarrobo (Prosopis sp.)

Australia
Australian Trees
March 17, 2015
Lemon-scented Gum (Corymbia citriodora)
Queensland Bottle Tree (Brachychiton rupestris)
Moonah (Melaleuca lanceolata)
Green Fig (Ficus carica)

Belgium
Forest for the Trees
October 5, 2009
Scots Pine, Beech, Birch, Larch, Oak

RSA 1989 - Paintings of Pierneef

Kompositie in blauw

..and the 40c from the same set

Hand planting a sapling and a forest, printed by lithography, and issued by Turkey on November 18, 1957 to commemorate the centenary of forestry conservation, Scott No. 1257.

- nethryk

United Nations
Endangered Species - Trees
April 15, 2010
New York Office:
Monkey Puzzle (Araucaria araucana)
Quiver Tree (Aloe dichotoma)
Bristlecone Pine (Pinus longaeva)
Scarlet Ball Cactus (Parodia haselbergii)
Geneva Office:
Krantz Aloe (Aloe arborescens)
Boojum Tree (Fouquieria columnaris)
Dragon Tree (Dracaena draco)
Snowdrop (Galanthus krasnovii)
Vienna Office:
Pincushion Cactus (Mammillaria zeilmanniana)
Hoodia (Hoodia gordonii)
Tree Tumbo (Welwitschia mirabilis)
Crown of Thorns (Euphorbia milii)

A Sprouting Tree Stump as an allegory for Democracy Reborn.

Italy
Catalog codes:
Michel IT 701
Unificato IT 562
Sassone IT 562DA
Yvert et Tellier IT 500
Stamp Number IT 475
Issued on: 1945-10-01
Expiry date: 1952-12-31
Perforation: comb 14
Printing: Photogravure
Size: 24 x 40 mm
Colors: Green
Face value: 25 #8356; - Italian lira
Watermark: Watermark wheel
Designer? Garrasi



https://en.wikipedia.org/wiki/Polignano_a_Mare ... cds Polignano a Mare Bari (Adriatic Coast) 19481112



I'm pretty sure that address is ~6 crow-fly-miles NW of where I'm sitting right now.

Cheers,

/s/ ikeyPikey

Malaysia
Palm Trees
May 19, 2009
Dudar (Caryota mitis)
Palas Kipas (Licuala grandis)
Serdang (Livistona saribus)
Serdang Endau (Livistona endauensis)
Daun Payung (Johannesteijsmannia altifrons)
The three stamps show the trees, leaves and fruits. The miniature sheet contains one L-shaped stamp showing two palm trees and their leaves.