Butterflies' Favourite Nectaring Plants #7 The Spanish Needle (Bidens alba and Bidens pilosa)

In the 7th instalment of the series Butterflies' Favourite Nectaring plants, we feature an invasive weed that has become quite common in the wastelands and even cultivated gardens in Singapore. It is interesting to note that two or three decades ago, this plant (usually split into two different species) was largely unknown in Singapore. However, in recent years, it has somehow become quite widespread across the island.

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