Is Phallus impudicus a mycological giant?

First-Time Finds: Eight Rare Mushroom Species in Kurdistan's Wilderness

“…The mature stinkhorn is 23 cm tall, 5 cm wide, and has a conical cap that is 2 to 4 cm high and covered in the slimy, greenishbrown gleba. The spores are 4 to 2 m in size and elliptical to oblong in shape, has no stipe (Niksic et al, 2004).…”