{"product_id":"plant-lake-quillwort","title":"Lake Quillwort","description":"\u003cp\u003e\u003cb\u003eLake Quillwort\u003c\/b\u003e (\u003ci\u003eIsoetes lacustris\u003c\/i\u003e) is a primitive, slow-growing aquatic lycophyte (a vascular seedless plant related to clubmosses) native to cool, nutrient-poor (oligotrophic) lakes across Northern Europe and North America.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eName\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eScientific Name:\u003c\/b\u003e \u003ci\u003eIsoetes lacustris\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCommon Names:\u003c\/b\u003e Lake Quillwort, Merlin's Grass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eCharacteristics\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eAppearance:\u003c\/b\u003e Dark green, stiff, tubular, quill-like leaves radiating from a central bulbous base (corm).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePlant Type:\u003c\/b\u003e Primitive aquatic lycophyte (fern ally) that reproduces via microscopic spores rather than seeds or flowers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSpecial Adaptation:\u003c\/b\u003e Uses \u003cb\u003eCAM photosynthesis\u003c\/b\u003e to absorb carbon dioxide (\u003cspan class=\"math-inline\"\u003e$CO_2$\u003c\/span\u003e) at night, allowing it to survive in carbon-scarce lakes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSensitivity:\u003c\/b\u003e Extremely sensitive to algae buildup and pollution; acts as a bio-indicator for water quality.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eTemperature\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIdeal Range:\u003c\/b\u003e \u003cb\u003e40°F – 68°F (4°C – 20°C)\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eNote:\u003c\/b\u003e Prefers cold water and struggles or dies in warm tropical aquariums.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eLighting\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRequirement:\u003c\/b\u003e \u003cb\u003eModerate to High\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eNote:\u003c\/b\u003e Needs bright light to thrive underwater, but high light in a tank makes it prone to algae cover due to its slow growth.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eCO2\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRequirement:\u003c\/b\u003e \u003cstrong\u003eNot Required.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003ePropagation\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMethod:\u003c\/b\u003e Spores or Crown Division\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHow it works:\u003c\/b\u003e Naturally reproduces by releasing microspores and megaspores from the leaf bases. In cultivation, mature plants with multiple crowns can be carefully split at the base and replanted in soft, sandy substrate.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"The Purple Tang Aquatic Store","offers":[{"title":"Default Title","offer_id":43147206492222,"sku":null,"price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/8396\/4478\/files\/Final_Presentation_-_Purple_Tang_d0120dda-aa6e-4a01-af19-9f7e51ee6635.jpg?v=1785753905","url":"https:\/\/thepurpletang.com\/products\/plant-lake-quillwort","provider":"The Purple Tang Aquatic Store","version":"1.0","type":"link"}