| Wheat | Purple Straw | Paul Pollaro | | ME | 2024 | USDA | | Yes | heritagegrain.net |
| Corn | Fort Kent Golden Flint Corn | Tristan Noyes | Gromaine Organic Farm | ME | 2023 | Federal Seed Reserve | 3b | Yes | heritagegrain.net |
| Rye | Tvengsberg | Tristan Noyes | Gromaine Farm | ME | 2024 | Ruth Fleishman | 3b | Yes | heritagegrain.net |
| Wheat | Bladette de Puylaurens | Tristan Noyes | Gromaine Farm | Maine | 2024 | Ruth Fleishman | 3b | Yes | heritagegrain.net |
| Wheat | Vosges | Tristan Noyes | Gromaine Farm | Maine | 2024 | Ruth Fleishman | 3b | Yes | heritagegrain.net |
| Wheat | Fin de Tauriac | Tristan Noyes | Gromaine Farm | Maine | 2024 | Ruth Fleishman | 3b | Yes | heritagegrain.net |
| Wheat | Touselle sans barbes | Tristan Noyes | Gromaine Farm | Maine | 2024 | Ruth Fleishman | 3b | Yes | heritagegrain.net |
| Wheat | Noe | Tristan Noyes | Gromaine Farm | Maine | 2024 | Ruth Fleishman | 3b | Yes | heritagegrain.net |
| Wheat | Goldblume | Richard Roberts | Maine Grain Alliance. LT45 Farm | ME | 2018-2023 | Dennis Kjaer Christensen | 5 | Yes | |
| Corn | Stowell's Evergreen Sweet Corn | Paul Pollaro | | ME | 2020 | Seed Savers Exchange | 5a | Yes | heritagegrain.net |
| Corn | Otto File | Paul Pollaro | | ME | 2022 | Hudson Valley Seed Company | 5a | Yes | heritagegrain.net |
| Corn | Glass Gem | Paul Pollaro | | ME | 2019 | Seed Savers Exchange | 5a | Yes | heritagegrain.net |
| Other | Seneca Cornstalk Bean | Paul Pollaro | | ME | 2024 | Seed Savers Exchange | 5a | Yes | heritagegrain.net |
| Wheat | Einkorn (Farro Piccolo) | Paul Pollaro | | ME | 2020 | Anson Mills | 5a | Yes | heritagegrain.net |
| Oats | Potato Oat / Barley Oat | Paul Pollaro | | ME | 2023 | USDA | 5a | Yes | heritagegrain.net |
| Oats | White Tartarian | Paul Pollaro | | ME | 2023 | USDA | 5a | Yes | heritagegrain.net |
| Oats | Red Rustproof | Paul Pollaro | | ME | 2023 | USDA | 5a | Yes | heritagegrain.net |
| Oats | Black Tartarian | Paul Pollaro | | ME | 2023 | USDA | 5a | Yes | heritagegrain.net |
| Oats | Winter Turf | Paul Pollaro | | ME | 2023 | USDA | 5a | Yes | heritagegrain.net |
| Barley | Tennessee Winter | Paul Pollaro | | ME | 2023 | USDA | 5a | Yes | heritagegrain.net |
| Wheat | Breisgauer Begrannter Roter Land | Sylvia Davatz | | VT | 2024 | USDA | 5a | Yes | |
| Buckwheat | Tartary | Paul Pollaro | | ME | 2024 | Fr. Paul Dumais | 5a | Yes | heritagegrain.net |
| Corn | Cocke's Prolific | Paul Pollaro | | ME | 2021 | Sow True Seed | 5a | Yes | heritagegrain.net |
| Wheat | Hourani | Paul Pollaro | | ME | 2022 | Seeds in Common (formerly Rocky Mountain Seed Alliance) | 5a | Yes | heritagegrain.net |
| Wheat | Red Lammas | Ruth Fleishman | | | 2017 | Eli Rogosa | 5a | Yes | heritagegrain.net |
