From The Royal Gardens, Kew,
Added to their mushroom lists
Three mushroom species, new...
DNA has reached the art
Of mycologic observations,
with Barcoding – a method smart
For mushroom identification.
The new method was applied
To a dried porcini batch,
It turned out, though they have tried,
That three samples failed to match
Any known that looked the same
Taxonomists have known before,
And the scientists earned fame
From the porcini from the store.
This may possibly explain
Why mushroom pickers, who rejoice,
Find some mushrooms that cause pain,
Though they're classified as “choice”...