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| Crassula aquatica (L.) Schoenl. | Species Image Gallery (opens in a new window) |
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| TAXONOMY | |||||||||
| Family: | Crassulaceae | ||||||||
| Genus: | Crassula | ||||||||
| Species Synonyms: | Tillaeastrum aquaticum (L.) Britt. Tillaea angustifolia Nutt. Tillaea aquatica L. Tillaea ascendens Eat. Hydrophila aquatica (L.) House Bulliarda aquatica (L.) DC. |
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| Common Names: | water pigmyweed common pigmyweed |
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| DISTRIBUTION | |||||||||
| Canada: | southern British Columbia, southwestern Saskatchewan, central Ontario, Quebec – Newfoundland, New Brunswick, Prince Edward Island, Nova Scotia | ||||||||
| Saskatchewan: | southwestern Saskatchewan | ||||||||
| Ecoregion: | Mixed Grassland | ||||||||
| HABITAT | |||||||||
| Saskatchewan: | pond margins | ||||||||
| Associated Species: | Limosella aquatica, Plagiobothrys sp., Psilocarphus elatior | ||||||||
| RARITY STATUS | |||||||||
| Provincial
Status According to Harms (2003): |
Endangered |
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| Nature Conservancy Status: | G5 |
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| Saskatchewan
Species at Risk Status: |
None |
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| COSEWIC Status: | None |
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| No information is available regarding the endangered status of Crassula aquatica, though it is likely that this species is less common and regionally restricted and therefore more vulnerable to habitat loss and human development. It also may be easily overlooked due to its small size. | |||||||||
| SPECIES DESCRIPTION | |||||||||
| Height: | 3 – 10 cm | ||||||||
| Roots: | fibrous | ||||||||
| Stem: | aquatic or semi-aquatic annual, filiform | ||||||||
| Leaves: | opposite, connate at base, < 7 mm long, linear to oblong, somewhat succulent | ||||||||
| Inflorescence: | flowers solitary, axillary, sessile or short-petioled | ||||||||
| Flowers: | 3- or 4-merous; calyx green; corolla greenish-white; stamens 3 or 4; ovary inferior | ||||||||
| Fruits: | cluster of follicles | ||||||||
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