A Digital Flora
of Newfoundland and Labrador
Vascular Plants



IsoŽtaceae: Quillwort Family



IsoŽtes lacustris L. non Pursh






  Always under construction!  Please check back periodically.  

Page created June 15, 2004
Page last updated March 4, 2022




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IsoŽtes echinospora subsp. muricata
IsoŽtes ◊echtuckerii
IsoŽtes ◊harveyi
IsoŽtes lacustris
IsoŽtes tuckermanii subsp. acadiensis
IsoŽtes tuckermanii subsp. tuckermanii





IsoŽtes echinospora Durieu subsp. muricata (Durieu) Á. Löve & D. Löve  -  Spiny-Spored Quillwort - [NF, LAB]
Baie Verte Highway, just north of Burlington Junction, Newfoundland. Rich, shallow pond. July 22, 2004. [Digital - John Maunder]
Whole Plant [semi-stranded]
Whole Plant [submerged]
Whole Plant, Side View

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IsoŽtes cf. ◊echtuckerii D. F. Brunton and D. M. Britton [= I. tuckermanii x I. echinospora] [final identification pending]  -  Hybrid Quillwort - [NF]
Grand Falls, Newfoundland. Just west of, near Red Cliff. River floodplain. Small backwater pond. Plants in about 0.5 m of water. September 19, 2003. [Digital - John Maunder]
Base of Leaf, Inner Face, showing Macrospores
Megaspores [note the several non-globose megaspores]
Megaspores [note the several non-globose megaspores]
Whole Plants
Whole Plants
Plants in Habitat
Plants in Habitat

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IsoŽtes cf. ◊harveyi A. A. Eaton [= I. tuckermanii x I. lacustris] [final identification pending]  -  Hybrid Quillwort - [NF]
Manuels River, Newfoundland. Slow backwater just above tidewater. July 17, 2004. [Digital - John Maunder]
Megaspores [note the non-globose megaspores]

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IsoŽtes lacustris Linnaeus  -  Lake Quillwort - [NF, LAB]
Manuels River, Newfoundland. Slow backwater just above tidewater. September 15, 2003. [Digital - John Maunder]
Lower Portion of Plant
Lower Portion of Plant
Whole Plants, Uprooted
Whole Plants, Uprooted
Whole Plants in Habitat
Megaspores, Highly Magnified

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IsoŽtes tuckermanii A. Braun ex Engelm. subsp. acadiensis (Kott) D. F. Brunton  -  Acadien Quillwort - [NF - RARE]
Whitbourne, Newfoundland. Junction Pond. September 18, 2003. [Digital - John Maunder]
Megaspores

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IsoŽtes cf. tuckermanii A. Braun ex Engelmann in A. Gray subsp. tuckermanii  -  Tuckerman's Quillwort - [NF]
Moulting Pond, Parsons Pond, Newfoundland. July 14, 2003.[Digital - John Maunder]
Lower Portion of Plant, Uprooted
Lower Portion of Plant, Uprooted
Lower Portion of Plant, Uprooted
Whole Plant, Uprooted
Manuels River, Newfoundland. Slow backwater just above tidewater. July 17, 2004. [Digital - John Maunder]
Base of Leaf, Inner Face, showing Macrospores
Base of Plant
Base of Plant
Whole Plant
Megaspores
Megaspores
Megaspores
Megaspores
Whitbourne, Newfoundland. Junction Pond. Near Bond Estate. About 0.5 m of water. September 20, 2003. [Digital - John Maunder]
Base of Leaf, Inner Face, showing Macrospores
Base of Leaf, Inner Face
Lower Portion of Plant, Uprooted
Lower Portion of Plant, Uprooted
Whole Plant, Uprooted
Megaspores
Megaspores
Megaspores
Megaspores
Whitbourne, Newfoundland. Junction Pond. Near Bond Estate. About 0.5 m of water. September 20, 2003. [Digital - John Maunder]
Whole Plants, Uprooted, Younger Specimens

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