Helianthemum

• “Gundelia tournefortii, Noaea mucronata, Thymus spp., and Salvia cryptantha – often in oak forest clearings; various graminoid formations; and high mountain steppes of Achillea vermicularis, Ajuga chia, Helianthemum nummularium, Malcolmia africana, and Marrubium parviflorum.”

  Eastern Anatolian deciduous forests

• “Other species typical of the "steppe arborée" are Globularia alypum, Salsola vermiculata, Thymus ciliatus, Helianthemum virgatum, Cistus libanotis, Rosmarinus tournefortii and Asparagus stipularis.”

  Mediterranean dry woodlands and steppe

• “These forests and woodlands alternate with extensive steppe grasslands (Stipa tenacissima, Lygeum spartium) and shrub communities (Artemisia herba-alba, Thymelaea hirsuta, Ononistridentata, Helianthemum squamatum, Thymus mastigophorus) resulting a complex mosaic-like landscape.”

  Iberian sclerophyllous and semi-deciduous forests

• “However, it is known that there are over ten species of endemic plants represented in this ecoregion, including relict elements of arid and semi-arid groups; for example, four endemic species of Helianthemum and one endemic species of Thamnosma.”

  Somali montane xeric woodlands

• “The hammadas habitats also contain endemics, such as Pithuranthos chloranrhus, Helianthemum lippii, Gymnocarpos decander and Helianthemum kahirikum.”

  North Saharan steppe and woodlands

• “Some characteristic endemics exclusive to the Park such as Caňadas rockrose Helianthemum juliae, Teide edelweiss Gnaphalium teydeum or the thistle Stemmacantha cynaroides number only 200 specimens; of others, like the endemic Teide burnet Bencomia exstipulata, there are barely 60 specimens - almost 75% of the natural specimens of this species grow on the summits of Tenerife and La Palma.”

  Teide National Park, Spain

• “I have seen a similar instance in a less degree in a species of _Helianthemum_.”

  Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants

• “Thus, certain species of _Helianthemum_ are apetalous in Lapland.”

  Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants

• “In Helianthemum the capsule has been described as unilocular or trilocular; and in H. mutabile, “Une lame, plus ou moins large, s’etend entre le pericarpe et le placenta.”

  VII. Miscellaneous Objections to the Theory of Natural Selection

• “Among the species of France, according to Jordan, _Helianthemum polifolium_, _H. apenninum_, _H. pilosum_ and _H. pulverulentum_ are of this character.”

  Species and Varieties, Their Origin by Mutation

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