Barnacles

Plant, per the game files of Hytale 0.7.7.

IDPlant_Barnacles
Give/give Plant_BarnaclesGives one to yourself. Needs permission to use /give.

Overview

IDPlant_Barnacles
CategoryPlants
TypePlant
Placeable blockYes

What breaking Barnacles gives

HowToolsGives
BreakNothing: hands or any tool

From the block's gathering settings in the game files, rolled the way the server rolls them. Chance is per block, for at least one. Tools are every item that can break it, with its power per hit: higher breaks it faster.