Articles written by Barbara Stewart

Cruising the Galápagos Islands is the ultimate holiday experience for many, but if suffering seasickness, or on a budget, there are many rewarding land-based options.

Jul 10, 2008 - Barbara Stewart

Sangre de Drago (Croton lechleri, Euphorbiaceae) is a forest tree found through much of north-western South America.

Jul 10, 2008 - Barbara Stewart

Guava fruit are valued for their high Vitamin C content and aromatic flavour, but in the wrong location, the trees can invade environments with high biodiversity values.

Jul 7, 2008 - Barbara Stewart

The White Ginger or Butterfly Flower, with its scented white flowers and luxuriant foliage, is a fine example of a beautiful garden plant turned environmental weed.

Jul 7, 2008 - Barbara Stewart

Machinery carrying soil and plant fragments can be a significant dispersal agent for environmental weed species.

Jul 6, 2008 - Barbara Stewart

Weeds, including escaped garden plants, pose serious threats to native flora and fauna. Control is costly and preventing new introductions is critical.

Jul 6, 2008 - Barbara Stewart

The Frailejones are tall daisy-like plants with distinctive lifeforms, found in the high altitude grasslands of north-western South America. Their habitat is threatened.

Jul 6, 2008 - Barbara Stewart

In this new edition of his well-loved reference, Alex Floyd has provided descriptions and illustrations of 403 Australian rainforest tree species.

Jun 18, 2008 - Barbara Stewart

Cladia retipora can grow like snow drifts, explaining its common name of Snow Lichen, while viewed close up, delicate and lacy, Coral Lichen is a fitting name.

May 10, 2008 - Barbara Stewart

It's a city park, yet it is crawling with prehistoric-looking lizards, green, striped and knarled, ranging free to the delight of tourists and Ecuadorian children alike.

May 4, 2008 - Barbara Stewart

This tall hemi-epiphyte, distinguished by curtains of aerial roots, is found in high altitude cloud forests.

May 4, 2008 - Barbara Stewart

When the peace of the jungle was shattered by a volcanic eruption, attention was drawn to a previously little known world of adventure, wildlife and spectacular scenery.

May 4, 2008 - Barbara Stewart

Though less often visited by Galápagos cruise boats, Isabela is a favourite destination with those who take time for additional or alternative land-based activities.

Apr 24, 2008 - Barbara Stewart

Epiphytes are plants that grow on other plants, using them for support.

Apr 24, 2008 - Barbara Stewart

This small rainforest tree is confined to a small area of eastern Australia. It is considered rare and contains chemicals with potential for pesticide development.

Apr 18, 2008 - Barbara Stewart

This tiny delicate terrestrial orchid is confined to parts of the Australian east coast and is considered rare.

Apr 2, 2008 - Barbara Stewart

A versatile plant from the Americas, producing dye used culturally as body paint; also medicinal, cosmetic and culinary uses.

Mar 4, 2008 - Barbara Stewart

The relationships between plants, animals and their surroundings are studied in a branch of science termed ecology, critical to many environmental issues.

Feb 23, 2008 - Barbara Stewart