Brain freeeze - umbellifer for ID please

[leifus]

Heeelp found this growing by a river (by the path by the river rather than in the water). Photos of the flower, seed and leaf below:







i'm sure it's a common one, but the leaf has thrown me!

[Hedera]

?One of the Hedge-parsleys, perhaps Knotted?

[Dorts]

Originally Posted by Hedera

?One of the Hedge-parsleys, perhaps Knotted?

Knotted Hedge-parsley has thrice pinnate leaves, very deeply divided.
Can't key it out yet. pics a little unclear.
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Just noticed an out of focus seed capsual and also uneven petals which eliminates a lot of my earlier thoughts. So going to have to be boring and go for a rather weedy looking Cow Parsley, in the absence of more info..
Dorts.

[JennyS]

Hi Leifus - have you got / could you get any photo's showing the bracts and / or bracteoles (or the absence of), as that helps a lot with IDing these white umbellifers

[leifus]

arrgh sorry I just took these three thinking 'ah yes I'll ID that later' because I was in a bit of a rush. OH well, it'll have to go down as unidentified I guess.

Could be a weedy cow-parsley but it was the beginning of July so they'd have finished flowering a while ago

[JennyS]

There's still the occasional scraggy one with some flowers in shaded hedges here ...