Difference between revisions of "Isoëtes nuttallii"
Amer. Naturalist 8: 215. 1874.
Common names: Nuttall's quillwort
Synonyms: Isoëtes opaca Nuttall Isoëtes suksdorfii Baker
Treatment appears in FNA Volume 2.
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|name=Isoëtes opaca | |name=Isoëtes opaca | ||
|authority=Nuttall | |authority=Nuttall | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Isoëtes suksdorfii | |name=Isoëtes suksdorfii | ||
|authority=Baker | |authority=Baker | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Isoëtaceae;Isoëtes;Isoëtes nuttallii | |hierarchy=Isoëtaceae;Isoëtes;Isoëtes nuttallii | ||
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name=Isoëtes nuttallii | name=Isoëtes nuttallii | ||
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|authority=A. Braun | |authority=A. Braun | ||
|rank=species | |rank=species | ||
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|publication year=1874 | |publication year=1874 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V2/V2_252.xml |
|genus=Isoëtes | |genus=Isoëtes | ||
|species=Isoëtes nuttallii | |species=Isoëtes nuttallii | ||
Revision as of 19:46, 16 December 2019
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.