E-Flora BC: Electronic Atlas of the Flora of BC

Isoetes tenella Léman
spiny-spore quillwort (bristle-like quillwort)
Isoetaceae (Quillwort family)

Introduction to Vascular Plants

General:
Perennial aquatic plants from a short 2-lobed rootstock.

Leaves:
Deciduous, flaccid, 5-25 cm long.

Source: The Illustrated Flora of British Columbia

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Illustration Source: The Illustrated Flora of British Columbia

Ecological Framework for Isoetes tenella

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information	Value / Class
Site Information	Avg	Min	Max
Elevation (metres)	0	0	0
Slope Gradient (%)	0	0	0
Aspect (degrees) [0 - N; 90 - E; 180 - S; 270 - W]	0
Soil Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric]	6	6	6
Modal Nutrient Regime Class	E
# of field plots species was recorded in:	15
Modal BEC Zone Class	CWH
All BEC Zones (# of stations/zone) species was recorded in	CWH(15)
Source: Klinkenberg 2013

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Native	S5	Yellow	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer.

Synonyms and Alternate Names:
Isoetes braunii Durieu
Isoetes echinospora Dur.
Isoetes echinospora subsp. asiatica (Makino) A. L÷ve
Isoetes echinospora subsp. muricata (Durieu) A. L÷ve & D. L÷ve
Isoetes echinospora var. asiatica Makino
Isoetes echinospora var. braunii (Durieu) Engelm.
Isoetes echinospora var. hesperia (C.F. Reed) A. L÷ve
Isoetes echinospora var. muricata (Durieu) Engelm.
Isoetes echinospora var. robusta Engelm.
Isoetes echinospora var. savilei B. Boivin
Isoetes muricata Durieu
Isoetes muricata var. braunii (Durieu) C.F. Reed
Isoetes muricata var. hesperia C.F. Reed
Isoetes setacea Lam. p.p.
Isoetes setacea subsp. muricata (Durieu) Holub

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