cca constraining variables table

I performed canonical correspondence analysis (cca) with the example data of
vegan, but I'm not able to obtain a table like scores() for the constraining
variables. I can see them in the summary() mode, but it would be great to
have in a separate table. Any suggestion?, thanx Gianandrea

require(vegan)
data(varespec)
data(varechem)
vare.cca<-cca(varespec,varechem)
scores(vare.cca)
summary(vare.cca)

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