Stripped Warped Hyphae appears a red colour on maps instead of the cyan colour of Stripped Warped Logs.

The issue is confusing because stripped-hyphae-coloured roofs are quite the rage nowadays, and those buildings are hardly recognizable on any maps.

Note that this issue was already reported as
MC-199625]. MC-199625 asked to create a new ticket when it could be reproduced in Vanilla minecraft.