Difference between revisions of "Isoëtes acadiensis"
Canad. J. Bot. 59: 2592. 1981.
Common names: Acadian quillwort
Treatment appears in FNA Volume 2.
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|phenology=Spores mature in late summer. | |phenology=Spores mature in late summer. | ||
|habitat=Emergent or in shalow water of slightly acid lakes, ponds, and streams | |habitat=Emergent or in shalow water of slightly acid lakes, ponds, and streams | ||
| − | |distribution=N.B.;Nfld.;N.S.;Mass.;Maine;N.H.;N.Y. | + | |distribution=N.B.;Nfld. and Labr. (Nfld.);N.S.;Mass.;Maine;N.H.;N.Y. |
|tables= | |tables= | ||
|references= | |references= | ||
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|phenology=Spores mature in late summer. | |phenology=Spores mature in late summer. | ||
|habitat=Emergent or in shalow water of slightly acid lakes, ponds, and streams | |habitat=Emergent or in shalow water of slightly acid lakes, ponds, and streams | ||
| − | |distribution=N.B.;Nfld.;N.S.;Mass.;Maine;N.H.;N.Y. | + | |distribution=N.B.;Nfld. and Labr. (Nfld.);N.S.;Mass.;Maine;N.H.;N.Y. |
|reference=None | |reference=None | ||
|publication title=Canad. J. Bot. | |publication title=Canad. J. Bot. | ||
|publication year=1981 | |publication year=1981 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V2/V2_632.xml |
|genus=Isoëtes | |genus=Isoëtes | ||
|species=Isoëtes acadiensis | |species=Isoëtes acadiensis | ||
Revision as of 21:14, 27 May 2020
Plants aquatic, submerged. Rootstock nearly globose 2(–3)-lobed. Leaves evergreen, olive green to reddish brown, pale toward base, spirally arranged, to 20 cm, pliant, gradually tapering to tip. Velum covering less than 1/2 of sporangium. Sporangium wall brown-streaked. Megaspores white, 400-650 μm diam., rugulate to reticulate with ridges having rounded or smooth crests; girdle smooth. Microspores gray in mass, 25–35 μm, spinulose. 2n = 44.
Phenology: Spores mature in late summer.
Habitat: Emergent or in shalow water of slightly acid lakes, ponds, and streams
Distribution
N.B., Nfld. and Labr. (Nfld.), N.S., Mass., Maine, N.H., N.Y.
Discussion
Selected References
None.
Lower Taxa
None.