The bug
I was just doing survival, and i found some lily pads that generated on the ground.
How to reproduce
Seed: 3450338330123376815
Coordinates: /tp @s -8466.06 65.64 -2701.96 -45.74 62.65
/tp @s -12163.97 65.37 -3930.73 -229.56 54.14
Note: This doesn't happen all the time.
Related issues
Attachments
Comments

⚠️ Please do not mark issues as private, unless your bug report is an exploit or contains information about your username or server.

Can confirm also in 43 a & b snapshots
Thank you for your report!
However, this issue has been temporarily closed as Awaiting Response.
Please provide the seed and coordinates where this issue takes place so we can reproduce the issue.
Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – 📖 Game Wiki

This is still occurring as of 18w44a- NOT resolved. Occurred for me on the seed 1299828289 at coordinates 1709 63 -2668. There is also a chance they don't generate further than 1 block away from (immediately next to) any solid block.
Edit: Also, my screenshots will appear to be the "old" default textures, but I installed a texture pack for that. I'm playing 18w44a.