Difference between revisions of "Isoëtes nuttallii"
Amer. Naturalist 8: 215. 1874.
Common names: Nuttall's quillwort
Synonyms: Isoëtes suksdorfii Baker
Treatment appears in FNA Volume 2.
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|name=Isoëtes suksdorfii | |name=Isoëtes suksdorfii | ||
|authority=Baker | |authority=Baker | ||
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name=Isoëtes nuttallii | name=Isoëtes nuttallii | ||
| − | |authority=A. Braun | + | |authority=A. Braun ex Engelmann |
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
| − | |synonyms= | + | |synonyms=Isoëtes suksdorfii |
|basionyms= | |basionyms= | ||
|family=Isoëtaceae | |family=Isoëtaceae | ||
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|publication year=1874 | |publication year=1874 | ||
|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_252.xml |
|genus=Isoëtes | |genus=Isoëtes | ||
|species=Isoëtes nuttallii | |species=Isoëtes nuttallii | ||
Revision as of 21:11, 27 May 2020
Plants terrestrial or becoming so. Rootstock nearly globose, 2(–3)-lobed. Leaves deciduous, dull green to gray-green or yellow-green, pale toward base, spirally arranged, to 20 cm, ± rigid, gradually tapering to tip, often surrounded at base by several black scales to ca. 5 mm, spirally arranged, rigid, almost brittle. Velum covering entire sporangium. Sporangium wall unpigmented. Megaspores white, 360–600 μm diam., lustrous, ± smooth to tuberculate; girdle obscure. Microspores brown in mass, 20–30 μm, papillose. 2n = 22.
Phenology: Spores mature in late spring–early summer.
Habitat: Seasonally wet soil, temporary streams
Elevation: mostly 0–1500 m
Distribution
B.C., Calif., Oreg., Wash.
Discussion
Selected References
None.
Lower Taxa
None.