Sentence:  The ecology of much Western Australian <WSD>mallee</WSD> is poorly understood, so only a few general points can be made here. <WSD>Mallee</WSD> dominated by eucalypts including "Eucalyptus redunca" and "E. eremophilia" is mapped as widespread (Beard, 1975) on areas of brown calcareous earths north of Esperance (Northcote "et al.", 1967). 
Meaning of the word marked with <WSD> tags:  A type of scrubland with low-growing thick eucalypts, characteristic of certain parts of Australia. (from 19th c.)