Cassinia is not a valid species
Did you mean one of the species from the following list?
Cassinia aculeata - 28 collection objects
Cassinia arcuata - 7 collection objects
Cassinia denticulata - 1 collection objects
Cassinia longifolia - 7 collection objects
Cassinia ozothamnoides - 1 collection objects
Cassinia spectabilis - 1 collection objects