Proserpinaca Palustris Mermaid Weed Portion Size: You will receive 4-5 emersed stems at least 15cm in length, similar to photo 2. Description: Proserpinaca palustris, which is commonly called Mermaid weed in the industry, can be found in nature in both North and South America. Though it has been in the hobby for a long time, the plant has never been very popular among hobbyists - perhaps due to its large size or difficulty in growing it to good form. Proserpinaca palustris ranges from being greenish to orangey red. It is a stem plant that will grow as tall as large aquariums with a circumference of around 3 to 4 inches at full size. It has distinct serrated leaves that gives the plant leaves an attractive sawtooth look. It can be used as an attractive midground or background bush. Its large size when matured makes it more suitable for larger sized tanks. Its broad canopy means it will shade surrounding areas quite a bit. Quick Stats Scientific Name: Proserpinaca Palustris Care Level: Easy Growth Rate: Fast Tank Placement: Background, will grow to the top of you aquarium Lighting Requirement: will thrive in low to bright light Ideal Temperature: 70°-86°F (20°-30°C) pH: 5-8 CO2: No Substrate: Yes Proserpinaca Palustris, commonly known as Mermaid Weed, is a visually striking aquatic plant with delicate and finely divided leaves. Its vibrant green coloration adds a touch of vibrancy to the aquascape. This plant requires specific care to maintain its delicate structure and coloration.Do's:Provide medium to high lighting to encourage compact growth and intense coloration.Maintain stable water parameters with a temperature range of 68-82°F (20-28°C) and a pH range of 6.0-7.5.Supplement with iron-rich fertilizers to promote healthy growth and vibrant foliage. Don'ts:Avoid overcrowding the Proserpinaca Palustris, as it requires space for proper growth and to maintain its delicate structure.Do not let the plant's lower leaves get shaded, as it can cause them to deteriorate or fall off.