Resources:

This is the order of clubmosses and firmosses. As of 2024, 45 species of Lycopodiales have been observed in iNaturalist in the US and 175 throughout the world.

• FAMILY LYCOPODIACEAE
  • Fan Clubmoss (Diphasiastrum digitatum) - most iNat observations in the US for Lycopodiales - 3 (Loon Lake in the Airondacks)
  • Prickly Tree-Clubmoss (Dendrolycopodium dendroideum) - 3 (Rich Lake in the Adirondacks)
  • Foxtail Bog Clubmoss (Lycopodiella alopecuroides) - 6 (Schoenberg House at MOBOT)
  • Clubmosses (Lycopodium spp.) - Adirondacks - NOAH NOAH
  • Shining Clubmoss (Lycopodium lucidulum) - Adirondacks, Woodland Garden at MOBOT - NOAH
  • Coral Fern (Lycopodium cernuum) - NOAH
  • Clubmosses (Huperzia spp.; Lycopodium spp.) - Great Smoky Mountains NP

This is the order of Quillworts. As of 2024, 31 species of Isoetales have been observed in iNaturalist in the US and 76 throughout the world.

• FAMILY ISOETACEAE
  • Butler's Quillwort (Isoetes butleri) - most iNat observations in the US for Isoetales - 6 (Mark Twain NF)
  • Engelmann's Quillwort (Isoetes engelmannii) - Great Smoky Mountains NP, Greenhouse at MOBOT (not open to the public)

This is the order of Spikemosses. As of 2024, 43 species of Selaginellales have been observed in iNaturalist in the US and 171 throughout the world.

• FAMILY SELAGINELLACEAE
  • Bigelow's Spikemoss (Selaginella bigelovii) - most iNat observations in the US for Selaginellales - 7 (Big Sur)
  • Treelet Spike Moss (Selaginella braunii) - Climatron at MOBOT - NOAH
  • Peacock Moss (Selaginella uncinata) - Climatron at MOBOT - NOAH
  • Meadow Spike-Moss (Selaginella apoda) - Great Smoky Mountains NP