SUMMARY:
Ground based glyphs appear not to affect pets, even pets summoned into a shared party. This was tested with a Scooter, having exhausted itself with Boost, being unable to use a Stamina Wellspring Glyph, along with a Cloud-style pet, who was unable to recover Wounds using a Wound Closing Glyph.
Difficulty:
Normal. It really drags the wind out of some of the Glyphwright's utility if their glyphs don't... work, you know?
OCCURENCE:
Seems to consistently fail. I have not been able to test an HP/MP glyph due to not having any at the time of this report.
DETAILS:
Included is a screencap for your perusal. Details of note: Party listing, verifying pet is indeed a party member; positioning of Glyph (Level 5 wound closing type) and pet within radius.
--Hartake+Alexina