Lycophytes of Maine
(Kingdom Plantae)

a project of
V. F. Thomas Co. - P. O. Box 111 - Shawmut, Maine  04975

(updated 26 January 2020)

   Below is a working checklist of Maine’s lycophytes (hybrids excluded). Taxonomy and nomenclature follow Flora Novae Angliae by Arthur Haines (2011, Yale University Press, ISBN 978-0-300-17154-9).
   When an image and/or information is available for a given species, the common name of that species is a link to it’s family page.
   Please send corrections and updates to or mail them to the address at the top of this page. Photographs are welcome. Thank you.

Family Genus Specific Epithet Authority Sub-specific Epithet Authority Common Name Notes
Huperziaceae Huperzia appressa (Desv.) A. & D. Löve     mountain firmoss
Huperziaceae Huperzia lucidula (Michx.) Trevisan     shining firmoss
Huperziaceae Huperzia selago (L.) Bernh. ex Mart. & Schrank     northern firmoss
Isoëtaceae Isoëtes acadiensis Kott     Acadian quillwort
Isoëtaceae Isoëtes echinospora Durieu ssp. muricata (Durieu) A. & D. Löve spiny-spored quillwort
Isoëtaceae Isoëtes hieroglyphica A. A. Eat. carved quillwort
Isoëtaceae Isoëtes lacustris L.     lake quillwort
Isoëtaceae Isoëtes prototypus D. M. Britt.     prototype quillwort
Isoëtaceae Isoëtes riparia Engelm. var. canadensis Engelm. ex N. E. Pfeiff. Canada shore quillwort
Isoëtaceae Isoëtes tuckermanii A. Braun ex Engelm.     Tuckerman’s quillwort
Lycopodiaceae Dendrolycopodium dendroideum (Michx.) A. Haines     prickly tree-clubmoss
Lycopodiaceae Dendrolycopodium hickeyi (W. H. Wagner, Beitel, & Moran) A. Haines     Hickey’s tree-cluubmoss
Lycopodiaceae Dendrolycopodium obscurum (L.) A. Haines     flat-branched tree-clubmoss
Lycopodiaceae Diphasiastrum complanatum (L.) Holub     northern ground-cedar
Lycopodiaceae Diphasiastrum digitatum (Dill. ex A. Braun) Holub     southern ground-cedar
Lycopodiaceae Diphasiastrum sitchense (Rupr.) Holub     Sitka ground-cedar
Lycopodiaceae Diphasiastrum tristachyum (Pursh) Holub     blue ground-cedar
Lycopodiaceae Lycopodiella alopecuroides (L.) Cranfill     foxtail bog-clubmoss
Lycopodiaceae Lycopodiella appressa (Chapman) Cranfill     appressed bog-clubmoss
Lycopodiaceae Lycopodiella inundata (L.) Holub     northern bog-clubmoss
Lycopodiaceae Lycopodium clavatum L.     common clubmoss
Lycopodiaceae Lycopodium lagopus (Laestad. ex Hartm.) G. Zinserling ex Kuzeneva-Prochorova     one-cone clubmoss
Lycopodiaceae Spinulum annotinum (L.) A. Haines     common interrupted-clubmoss
Lycopodiaceae Spinulum canadense (Ness) A. Haines     northern interrupted-clubmoss
Selaginellaceae Selaginella apoda (L.) Spring in Mart. et al.     meadow spikemoss
Selaginellaceae Selaginella rupestris (L.) Spring     ledge spikemoss
Selaginellaceae Selaginella selaginoides (L.) Beauv. ex Mart. & Schrank     northern spikemoss