1: It's on the coast of Australia - a tree discovered by science (6,3)
5: Smoked salmon for the auditor with hair (5)
8: People vomiting quietly into storm drains (7)
10: Search for an escapee, one vandal hiding in mountain (7)
11: Tan Olympian Clarkes sound asleep? (7)
12: Forgetful of cinemas craft (7)
13: Edits Russian performances (7)
14: Mussel I cooked for breakfast fare (7)
16: Alien in spa written up for 'a display of greenness'? (7)
18: Reverse engineer, at last, recipe for dish best served cold? (7)
21: Twice take heart over raven writers so-called ground parrots (7)
23: A barkless dog as shown in 'Benji' (7)
24: Left out cheese for parasites (7)
26: Nut hounds famed Arizona shooter for something to deaden the noise (7)
27: Guided into the West (2,3)
28: One pointer concerning appetizer assortment (9)