Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Lycopodiella inundata

Lycopodiella

bog club-moss, inundated bog club-moss, inundated clubmoss, lycopodielle inondé, marsh clubmoss, northern bog club-moss, northern marsh clubmoss

bog club-moss, clubmoss, marsh clubmoss
Habit Plants creeping on wet ground.
Roots

emerging immediately on underside of stems.
Horizontal stems

flat on ground, 3–12 × 0.5–0.9 cm;

stems (excluding leaves) slender, 0.5–0.9 mm diam.;

leaves monomorphic, spreading, upcurved, 5–6 × 0.5–0.7 mm, margins entire.

on substrate surface, supine or arching.
Gemmiferous branchlets and gemmae

absent.
Upright shoots

forming very leafy peduncles scattered along horizontal stems, 2–9 mm diam., unbranched.
Peduncles

1(–2) per plant, 3.5–6 × 0.4–0.7 cm;

strobilus length 1/2–1/3 total height;

leaves spreading, 5–6 × 0.5–0.8 mm, margins rarely toothed.

Strobili

10–20 × 2.5–5.5 mm.

solitary, fully differentiated from peduncle or peduncle not differentiated, tip blunt to ± acute;

peduncle leafy, leaves not in distinct ranks, not imbricate, usually monomorphic, linear-lanceolate, margins commonly with a few teeth;

sporophylls generally longer than peduncle leaves.
Sporangia

nearly globose.
Spores

rugulate, sides at equator convex, angles acute.
Sporophylls

spreading to spreading-ascending, 4.5–5 × 0.5–0.9 mm, margins rarely toothed.

Gametophytes

photosynthetic, on substrate surface, pincushion-shaped;

ring meristem absent.
x

= 78.
2n

= 156.

Lycopodiella inundata

Lycopodiella
Habitat Bogs, lakeshores, marshes, lichens, borrow pits
Elevation 0–2000 m (0–6600 ft)
Distribution
from FNA
AK; CA; CT; ID; IL; IN; KY; MA; MD; ME; MI; MN; MT; NH; NJ; NY; OH; OR; PA; RI; VA; VT; WA; WI; WV; AB; BC; NB; NF; NS; ON; PE; QC; SK; SPM; Eurasia
[WildflowerSearch map]
[BONAP county map]
from USDA
North temperate region and tropical America
[BONAP county map]
Discussion

This concept of Lycopodiella excludes the segregate genera Pseudolycopodiella (including Lycopodium carolinianum) and Palhinhaea (including Lycopodium cernuum). It has been treated as Lepidotis Palisot de Beauvois ex Mirbel, but this is a later name for Lycopodium. Species of Lycopodiella hybridize readily (see reticulogram). Hybrids between species of the same ploidy level are apparently fertile with normal meiosis and spores, but those between different ploidy levels are sterile (J. G. Bruce 1975).

Species 8–10 (6 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Fertile shoots mostly 3.5–6 cm; sporophylls spreading; mainly north of 45º N latitude and high in mountains southward.
L. inundata
1. Fertile shoots 4–45 cm but mostly 8–35 cm; sporophylls spreading or appressed; mainly south of 45° N latitude at low elevations.
→ 2
2. Strobili 0–2 mm thicker than upright shoot; horizontal stem leaves with marginal teeth absent or sparse.
→ 3
2. Strobili 3–6 mm thicker than upright shoot; horizontal stem leaves commonly with marginal teeth.
→ 4
3. Upright shoots 15–40 × 0.3–0.4 cm; horizontal stem leaves with scattered marginal teeth.
L. appressa
3. Upright shoots 9–15 × 0.4–0.7 cm; horizontal stem leaves usually without marginal teeth.
L. subappressa
4. Horizontal stems (excluding leaves) 2–4 mm diam., strongly arching above substrate, largest leaves 0.5–0.7 mm wide.
L. alopecuroides
4. Horizontal stems (excluding leaves) 1.3–2.2 mm diam., prostrate, largest leaves 0.8–1.8 mm wide.
→ 5
5. Upright shoots 18–35 cm; horizontal stems 1.3–1.6 mm diam.; strobili 15–20 mm wide, with incurved, spreading leaves; sporophyll margins with 1–5 teeth.
L. prostrata
5. Upright shoots 13–17 cm; horizontal stems 1.8–2.2 mm diam.; strobili 4–9 mm wide with incurved, ascending leaves; sporophyll margins lacking obvious teeth.
L. margueritae
Source FNA vol. 2. FNA vol. 2.
Parent taxa Lycopodiaceae > Lycopodiella Lycopodiaceae
Sibling taxa
L. alopecuroides, L. appressa, L. margueritae, L. prostrata, L. subappressa
Subordinate taxa
L. alopecuroides, L. appressa, L. inundata, L. margueritae, L. prostrata, L. subappressa
Synonyms Lycopodium inundatum
Name authority (Linnaeus) Holub: Preslia 36: 21. (1964) Holub: Preslia 36: 20, 22. (1964)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

Choose a data source: Flora of North America, OregonFlora, UW Burke Herbarium

The species comparison tool is brought to you by:
Northwest Wildflowers