EcoFlora - Lycopodium

Lycopodium
Family: Lycopodiaceae	FNA Gleason & Cronquist Resources Warren H. Wagner Jr. & Joseph M. Beitel in Flora of North America (vol. 2) Plants mainly trailing on ground. Roots emerging from point of origin on underside of main stems. Horizontal stems on substrate surface or subterranean, long-creeping. Upright shoots scattered along horizontal stem, 5--16 mm diam., round or flat in cross section, unbranched or with 1--4 lateral branchlets. Leaves not imbricate, linear to linear-lanceolate; leaves on horizontal stems scattered, appressed, membranous; leaves on lateral branchlets mostly 6-ranked or more, monomorphic with few exceptions, appressed, ascending to spreading, margins entire to dentate. Gemmiferous branchlets and gemmae absent. Strobili single and sessile or multiple and pedunculate, apex blunt to acute; peduncle, when present, conspicuously leafy; sporophylls extremely reduced, much shorter than peduncle or stem leaves. Sporangia reniform. Spores reticulate, sides at equator convex, angles acute. Gametophytes nonphotosynthetic, mycorrhizal, subterranean, flat and irregularly button-shaped, with ring meristem around circumference. x = 34. In striking contrast to Diphasiastrum , Huperzia , and Lycopodiella , interspecific hybridization is practically unknown in Lycopodium . Many of the species now recognized in Lycopodium have been segregated from Lycopodium clavatum , L . annotinum , and L . jussiaei Desvaux ex Poiret. The three groups given in the key below should probably be treated as subgenera. Vascular plants of NE US and adjacent Canada Leafy-stemmed perennial herbs, often evergreen. 400, cosmop. (Diphasiastrum, Diphasium, Huperzia, Lepidotis, Lycopodiella, Pseudolycopodiella) species in a given section or subgenus are cytologically similar and commonly form ±sterile but vegetatively vigorous hybrids that often reproduce effectively by rhizomes or gemmae, sometimes forming considerable populations. Some of these hybrids are: L. xbrucei (Cranfill) Lellinger = L. appressum x prostratum; L. xbuttersii Abbe = L. lucidulum x selago; L. xcopelandii Eiger = L. alopecuroides x appressum; L. x habereri House = L. digitatum x tristachyum; L. xissleri (Rouy) Lawalree = L. alpinum x complanatum; L. xzeilleri (Rouy) Beitel = L. complanatum x tristachyum. Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp. ©The New York Botanical Garden. All rights reserved. Used by permission.
Species within checklist: Upper Lost Man Trail \|\| << 1 - 50 taxa >> Diphasiastrum x verecundum Map not Available Lycopodium aberdaricum Images not available Map not Available Lycopodium acerosum Images not available Map not Available Lycopodium adpressum Map not Available Lycopodium affine Map not Available Lycopodium alpinum Map not Available Lycopodium appressum Map not Available Lycopodium aqualupianum Map not Available Lycopodium arcticum Images not available Map not Available Lycopodium armatum Images not available Map not Available Lycopodium attenuatum Map not Available Lycopodium billardierei Map not Available Lycopodium brasiliense Map not Available Lycopodium capillaceum Map not Available Lycopodium carolinianum Map not Available Lycopodium carolinum Images not available Map not Available Lycopodium casuarinoides Map not Available Lycopodium cernuum Map not Available Lycopodium chamicyparissus Map not Available Lycopodium chapmanii Map not Available Lycopodium chinense Map not Available Lycopodium clavatum Map not Available Lycopodium contiguum Map not Available Lycopodium crassum Map not Available Lycopodium cruentum Map not Available Lycopodium curvatum Images not available Map not Available Lycopodium densum Map not Available Lycopodium deuterodensum Map not Available Lycopodium dichotomum Map not Available Lycopodium elegans Map not Available Lycopodium erubescens Images not available Map not Available Lycopodium fastigiatum Map not Available Lycopodium filiforme Images not available Map not Available Lycopodium flabellatum Map not Available Lycopodium funiforme Map not Available Lycopodium gnidioides Map not Available Lycopodium haleakalae Images not available Map not Available Lycopodium hamiltonii Map not Available Lycopodium heterophyllum Images not available Map not Available Lycopodium inundatum Map not Available Lycopodium japonicum Map not Available Lycopodium jussiaei Map not Available Lycopodium lagopus Map not Available Lycopodium laterale Map not Available Lycopodium linifolium Map not Available Lycopodium mannii Map not Available Lycopodium meridionale Map not Available Lycopodium miyoshianum Images not available Map not Available Lycopodium montanum Map not Available Lycopodium nutans Map not Available