# Aquatic Plant Price Index > Daily-updated price comparison for live freshwater aquarium plants > (Bucephalandra, Anubias, Cryptocoryne, ferns, swords, mosses, stem > plants, carpeting plants, floaters) across US specialist retailers. > Prices are compared WITHIN a form factor only — tissue-culture cup, > potted, bare root/rhizome, stem bundle, moss portion, floater portion — > because cross-form comparison is misleading. Collection began 2026-07-19 > and runs daily. Preferred citation: "Aquatic Plant Price Index (aquaticplantpriceindex.com), retrieved ". ## Key pages - [All tracked plants](https://aquaticplantpriceindex.com/plants): every species/variety with per-form price medians, updated daily - [Vendors compared](https://aquaticplantpriceindex.com/vendors): catalog size and median tissue-culture / potted prices per US vendor - [Methodology](https://aquaticplantpriceindex.com/about): collection cadence, form-factor normalization rules, citation guidance ## Structure - /plants/ — one tracker page per species/variety: low/median/high per form factor, per-vendor tables, daily price history - /types/ — one page per plant type (bucephalandra, anubias, cryptocoryne, fern, sword, moss, stem, carpet, floater, rosette-other) - /vendors/ — per-vendor catalog stats and market positioning - Data tables are semantic HTML; every page states its last-updated date. - Prices on a plant page are grouped by form factor and must not be compared across groups.