A similar related species, cow parsnip, is often mistaken for giant hogweed.
From the sciencedaily.com
Also, in the United States, Heracleum lanatum, the cow parsnip.
From the en.wikipedia.org
The trail is lined with poppies, cow parsnip, blue-eyed grass, forget-me-nots, lupine and buttercups.
From the sfgate.com
Cow parsnip differs in that it reaches a maximum height of six feet and has no purple on its stems.
From the sciencedaily.com
At the top, go left at the trail junction and watch the scenery change back and forth from forest to meadows, which last week bloomed with lupine, paintbrush and cow parsnip.