Click on the first letter of the common name.

Threatened Plants and algae

Species 1 - 6 of 6
Thumbnail for Rafflesia (Rafflesia spp)
Rafflesia (Rafflesia spp)
The dramatic Rafflesia flowers are the largest single flowers in the world; the leathery petals can reach over 90 centimetres... More
Thumbnail for Raphia palm (Raphia regalis)
Raphia palm (Raphia regalis)
Information on the raphia palm is currently being researched and written and will appear here... More0 Videos
Thumbnail for Red disa (Disa uniflora)
Red disa (Disa uniflora)
The red disa is a member of the orchid family, a group of plants prized for their spectacularly beautiful flowers, and the emblem... More0 Videos
Thumbnail for Red lauan (Shorea negrosensis)
Red lauan (Shorea negrosensis)
This large, Philippine tree has thick dark brown to nearly black bark with a reddish tinge. The trunk is ridged with shallow... More0 Videos
Thumbnail for Riversdale bluebell (Gladiolus rogersii)
Riversdale bluebell (Gladiolus rogersii)
Scientifically named after Reverend Moyle Rogers, who first collected the species, the Riversdale bluebell bears pretty bell-shaped... More0 Videos
Thumbnail for Rough tree fern (Cyathea australis)
Rough tree fern (Cyathea australis)
This medium to large tree fern is particularly attractive with a robust black trunk and long, bright green fronds. It is known... More0 Videos