GABF Style Guidelines are completely different from BJCP Style Guidelines.
They have 84 main categories and there are sub categories.
For Category 5
5. Field Beer or Pumpkin Beer
A. Subcategory: Field Beer
Field beers are any beers using vegetables as an adjunct in any of the mash, kettle, primary or secondary fermentation, providing obvious (ranging from subtle to intense), yet harmonious, qualities. Vegetable qualities should not be overpowered by hop character.
For purposes of this competition, coconut is defined as a vegetable, and beers containing coconut would be appropriately entered in this category, unless they are highly experimental. Beers containing a fruit (e.g. juniper berry) or vegetable (e.g. the heat of chili pepper) with herbal or spice qualities would be more appropriately entered in the herb and spice beer category. A chili-flavored beer with notable roast or vegetable character, but no chili heat, would be appropriately entered as field beer. Beers containing pumpkin would be more appropriately entered in the pumpkin beer subcategory.
Clear or hazy beer is acceptable in appearance. To allow for accurate judging the brewer must list what vegetables are used, and may also list a classic style of base beer, or any other ingredients or processes used. Beer entries not accompanied by this information will be at a disadvantage during judging.
Original Gravity (ºPlato): 1.030-1.110 (7.5-26 ºPlato) ● Apparent Extract/Final Gravity (ºPlato): 1.006-1.030 (1.5-7.5 ºPlato) ● Alcohol by Weight (Volume): 2-10.5% (2.5-13.1%) ● Bitterness (IBU): 5-70 ● Color
SRM (EBC): 5-50 (10-100 EBC0
B. Subcategory: Pumpkin Beer
Pumpkin beers are any beers using pumpkins (Cucurbito pepo) as an adjunct in either mash, kettle, primary or secondary fermentation, providing obvious (ranging from subtle to intense), yet harmonious, qualities. Pumpkin qualities should not be overpowered by hop character. Entries in this subcategory may or may not be spiced or flavored with other ingredients; spiced entries that do not exhibit pumpkin character would be more appropriately entered as herb and spice beer. To allow for accurate judging the brewer must provide information about their entry; this information could include a classic style of base beer, and/or any other ingredients or processes used. Beer entries not accompanied by this information will be at a disadvantage during judging.
Original Gravity (ºPlato): 1.0301.110 (7.526 ºPlato) ● Apparent Extract/Final Gravity (ºPlato): 1.0061.030 (1.57.5 ºPlato) ● Alcohol by Weight (Volume): 29.5% (2.512%) ● Bitterness (IBU): 570 ● Color SRM (EBC): 550 (10100 EBC)
The bolded description does state that spiced beers should not be entered in that category without being made with pumpkin