Amusing to try: I would like a mushroom (7)

I believe the answer is:

fungoid

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'like a mushroom' is the definition.
I can't tell whether this defines the answer.

'amusing to try i would' is the wordplay.
'amusing' becomes 'fun' (synonyms).
'to try' becomes 'go' (both can mean an attempt).
'i would' becomes 'I'd'.
'fun'+'go'+'id'='FUNGOID'

Can you help me to learn more?

(Another definition for fungoid that I've seen is " Like, eg, mushrooms".)

I've seen this clue in The Independent.

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