The Disappearance of Butter and Eggs

On the evening of Thursday the 26th of May, beginning at 7:30PM, the Philadelphia Botanical Club will have its monthly meeting, and Ken Frank, author of “Ecology of Center City, Philadelphia“, will talk about a botanical puzzle of urban ecology , in a lecture titled “The Disappearance of Butter and Eggs (Linaria vulgaris) from Center City”.

For more information, see here:

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