Posted 07 January 2014 - 01:35 PM
Posted 07 January 2014 - 01:49 PM
Let me list the floating plants I know of:
*true floating plants (duckweed, water lettuce, water hyacinth, azolla, riccia fluitans, ricciocarpus natans, etc)
*the mosses (java moss, flame moss, singapore moss, our native fissidens fontinalis, etc)
*weight-able plants who don't like their roots buried or don't have roots (java fern, ceratophyllum, anubias, bolbitis, hydrocotyle leucocephala, etc)
*decorative algae (cladophora/marimo balls, pellia, utricularia gibba (technically a vascular plant)).
Warning: duckweed, cladophora, and utricularia gibba all are difficult to completely remove once established.
*plants that can root but get the majority of their nutrients from the water column (najas guadalupensis grew well for me in sand, for example).
I'm finding more and more that you can grow random plants floating that aren't supposed to. Currently I have echinodorus tenellus, ludwgia repens, and myriophyllum tuberculatum red as floating plants. They don't seem to care. The e. tenellus is definitely less healthy than its rooted counterpart, but the floating ones are increasing in number all the same.
Your parrot feather is an example of that. Myriophyllum spicatum is generally regarded to be a rooted plant.
Posted 07 January 2014 - 03:20 PM
Posted 07 January 2014 - 03:51 PM
So very, very true. I have lost several tanks of fish to surface plants. Duckweed took out a 10 gallon tank of elassoma gilberti fry one time. The surface plants blocked out the lower plants, which rotted and caused enough of an ammonia spike to kill the majority of the fry. And when we went on honeymoon, ricciocarpus natans suffocated a 55 gallon tank of guppies and heterandria formosa. I came back to find the plants had overgrown and there were several dead fish. A few weeks later, the final death toll ended up being something like forty adult fish And an inch thick of ricciocarpus natans has taken out my bucket tank several times (that's where I dump extra r. natans from the main tank). Yeah. Species like hydrocotyle leucocephala, ceratophyllum, and other plants that don't cling to the surface tension won't do it. But surface-tension-clingers have murdered many a fish.
With ANY floater, dont let it completely cover the surface or your fish may suffocate
Posted 07 January 2014 - 07:03 PM
Posted 07 January 2014 - 07:40 PM
You don't have to drop all native plants and use tropical water sprite (Ceratopteris thalictroides). There are tons of native plants that will grow floating.
Thanks for the information,I'll skip that idea and just use Water Sprite. Maybe down the road I'll try the Parrot Feather somewhere where it can't do any harm
There's a full list of what plants are near you if you go to http://plants.usda.gov/ and sort by your state. For example, click 'advanced search' and then select your state. It'll bring up a list of all the plants found in your state. Then use 'control f' to find any with 'aqua' in their name. Also, check out some of the aquatic genus, like myriophyllum, ludwigia, najas, potamogeton, echinodorus, eleocharis, lemna, riccia, etc. There's dozens of them.
Less inclusive guides that omit quite a lot of species:
Virginia Native Plants By Harold Wiggins
Posted 07 January 2014 - 07:53 PM
Posted 07 January 2014 - 07:55 PM
Posted 07 January 2014 - 08:11 PM
Posted 08 January 2014 - 12:01 AM
Posted 08 January 2014 - 01:31 AM
Posted 16 January 2014 - 04:13 AM
If your tank has no headroom, Hydrocotyle leucocephala (Brazillian pennywort) generally floats at the surface, with most of the petioles submersed. It is native to South -and- Central America (so, technically, a continental NA species). It is usually sold at most pet stores in rockwool stuffed minipots, disguised as a rooted plant. But it does much better as a surface floater. Since it is mostly submersed, nutient consumption is lower than American/floating pennywort.
Posted 16 January 2014 - 05:53 PM
In the UK: http://planttracker....ating-pennywort
This would be perfect for my bucket tank (it's just three inches of water and two dozen fry). Would you be willing to send me some if I paid you and paid for shipping? I'll send you a private message. Right now I've got hydrocotyle leucocephala in there but I'd prefer the native species to the common pet store one.
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