That up there in the title is the Latin name for Giant Hogweed.

The image is a photo of MY garden and just how BIG this weed grows. (It’s the one with white flowers now taller than the first floor roof of the stable.

How do I know this Latin name? Via La Belle Dame Sans Merci/John Keats/And No Birds Sing/Rosemary & Thyme F1RST episode.

“Ah, what can ail thee, wretched wight, Alone and palely loitering; The sedge is withered from the lake, And no birds sing.“