Spinulum

Spinulum is a genus of club mosses in the family Lycopodiaceae. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), it is placed in the subfamily Lycopodioideae.^[1] Some sources do not recognize the genus, sinking it into Lycopodium.^[2] Spinulum annotinum is widespread in the temperate Northern Hemisphere.^[2]

v t e Genus of Lycopodiopsida
Kingdom: Plantae Clade: Embryophyta Clade: Tracheophyta Divison: Lycophyta
†Drepanophycales	Sengelia Drepanophycus Baragwanathia Asteroxylon
Lycopodiales	Huperzia Phylloglossum Phlegmariurus Brownseya Palhinhaea Lateristachys Pseudolycopodiella Lycopodiella Lycopodiastrum Diphasiastrum Lycopodium Spinulum Pseudolycopodium Pseudodiphasium Austrolycopodium Dendrolycopodium Diphasium
†Protolepidodendrales	Leclercqia Protolepidodendropsis
Selaginellales	Selaginella
Isoetales	†Bodeodendron †Chaloneria †Polysporia †Sporangiostrobus †Cormophyton †Clevelandodendron †Cylomeia †Cylostrobus †Ferganodendron †Pleuromeia †Mesenteriophyllum †Pleurocaulus †Takhtajanodoxa †Nathorstiana †Lepacyclotes †Isoetites †Skilliostrobus †Tomiostrobus Isoetes
†Lepidodendrales	Lepidodendron Lepidophloios Ulodendron Sublepidophloios Bothrodendron Sigillaria Hizemodendron Diaphorodendron Synchysidendron Stigmaria

References