Vegetation Science Group

Department of Botany and Zoology | Faculty of Science | Masaryk University

Vegetation of the Czech Republic

Association XBG12
Ivaetum xanthiifoliae Fija³kowski 1967

Ivaetum xanthiifoliae

Photo on botanickafotogalerie.cz

This community is dominated by Iva xanthiifolia, a tall-growing annual neophyte of North American origin. It is typical of disturbed ruderal places, e.g. on construction sites, but it can also occur on arable land. Habitats are sunny and warm. It has been rarely recorded in some cities in warm areas of the Czech Republic.

Orig. (Fija³kowski 1967): Ivaetum xanthiifoliae Ass. nov.

Diagnostic species: Amaranthus albus, A. retroflexus, Arctium lappa, A.minus. Artemisia vulgaris. Atriplex sagittata, A. tatarica, Ballota nigra. Bromus sterilis, B. tectorum, Carduus acanthoides. Chenopodium album agg., Cichorium intybus. Conium maculatum. Conyza canadensis, Datura stramonium, Echinops sphaerocephalus. Erysimum cheiranthoides, Galinsoga parviflora, Hordeum murinum, Iva xanthiifolia, Lactuca serriola. Leonurus cardiaca s. l., Lepidium ruderale. Lolium perenne. Poa palustris. Polygonum aviculare agg. (predominantly P. aviculare s. str.), Sisymbrium altissimum. S. loeselii. S. officinale, Solanum nigrum s. l., Solidago canadensis. Sonchus oleraceus. Tripleurospermum inodorum

Constant species: Amaranthus albus, A. retroflexus, Arctium lappa, Artemisia vulgaris, Atriplex sagittata. A. tatarica, Ballota nigra, Bromus sterilis. B. tectorum. Calamagrostis epigejos. Carduus acanthoides, Chenopodium album agg., Cichorium intybus. Cirsium arvense. Conyza canadensis, Elytrigia repens, Galinsoga parviflora, Iva xanthiifolia, Lactuca serriola, Lolium perenne, Poa palustris. P. pratensis s. l., Polygonum aviculare agg. (predominantly P. aviculare s. str.), Sisymbrium loeselii, Solanum nigrum s. l., Sonchus oleraceus, Taraxacum sect. Ruderalia, Tripleurospermum inodorum, Urtica dioica

Dominant species: Artemisia vulgaris, Iva xanthiifolia

Formal definition: Iva xanthiifolia cover > 15 % NOT Atriplex sagittata cover > 25 %

Source: Lososová Z. (2009): XBG12 Ivaetum xanthiifoliae Fija³kowski 1967. In: Chytrý M. (ed.), Vegetace Èeské republiky. 2. Ruderální, plevelová, skalní a su»ová vegetace [Vegetation of the Czech Republic 2. Ruderal, weed, rock and scree vegetation]. Academia, Praha, pp. 158-161.