Crassula helmsii, known as swamp stonecrop or New Zealand pigmyweed, is an aquatic or semiterrestrial species of succulent plant in the family Crassulaceae...

glomerata Crassula grisea Crassula helmsii (swamp stonecrop) Crassula herrei Crassula hirtipes Crassula humbertii Crassula hystrix Crassula lactea (tailor's patch...

succulent leaves. Nor are all succulents xerophytes, as plants such as Crassula helmsii are both succulent and aquatic. Succulents allow themselves to go a...

commodities as ornamental plants e.g. Kalanchoe, while others (e.g. Crassula helmsii) may also have a nuisance role as weeds. Hendrik (Henk) t' Hart 1944–July...

perennial even though many do not have woody tissue. Examples include: Crassula helmsii – New Zealand Stonecrop Pontederia cordata – Pickerell weed Stratiotes...

(water sprite) Cladophora aegagropila Clinopodium brownei Crassula aquatica Crassula helmsii Crinum calamistratum Crinum natans (African onion plant) Crinum...

In recent years Silent Pool came under attack by the invasive weed Crassula helmsii. The weed was thought to have been introduced to the pool by someone...

of this species may be threatened by invasions of the alien species Crassula helmsii, and in Central Europe, locally, sweet flag (Acorus calamus) poses...

racemosa (Grape caulerpa) Caulerpa taxifolia, Mediterranean clone Crassula helmsii (Australian swamp stonecrop) Eichhornia crassipes (Water hyacinth)...

Crassula tillaea Pigmyweed Crassula aquatica New Zealand pigmyweed Crassula helmsii * Scilly pigmyweed Crassula decumbens * Jersey pigmyweed Crassula...