Toutes les photographies ont été prises par Patrick Blanc et leur usage doit être accompagné de leur légende et de la mention "copyright Patrick Blanc"
  • Lycopodiastrum (syn. Lycopodium) casuarinoides climbing on trees at forest edge, Cameron Highlands, Malaysia
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    Lycopodiastrum (syn. Lycopodium) casuarinoides climbing on trees at forest edge, Cameron Highlands, Malaysia

  • Lycopodiastrum (syn. Lycopodium) casuarinoides, freely hanging vegetative stems issued from the spirally climbing main stem, Cameron Highlands, Malaysia
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    Lycopodiastrum (syn. Lycopodium) casuarinoides, freely hanging vegetative stems issued from the spirally climbing main stem, Cameron Highlands, Malaysia

  • Lycopodiastrum (syn. Lycopodium) casuarinoides, Branched hanging photosynthetic stems issued from the main climbing stem, each with a resting bud evolving later in a stobili bearing much branched stem, Cameron Highlands, Malaysia
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    Lycopodiastrum (syn. Lycopodium) casuarinoides, Branched hanging photosynthetic stems issued from the main climbing stem, each with a resting bud evolving later in a stobili bearing much branched stem, Cameron Highlands, Malaysia

  • Lycopodiastrum (syn. Lycopodium) casuarinoides, resting bud at the base of the photosynthetic branched stem, evolving later in a stobili bearing much branched stem, Cameron Highlands, Malaysia
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    Lycopodiastrum (syn. Lycopodium) casuarinoides, resting bud at the base of the photosynthetic branched stem, evolving later in a stobili bearing much branched stem, Cameron Highlands, Malaysia

  • Lycopodiastrum (syn. Lycopodium) casuarinoides, resting bud evolving later in a stobili bearing much branched stem, Cameron Highlands, Malaysia
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    Lycopodiastrum (syn. Lycopodium) casuarinoides, resting bud evolving later in a stobili bearing much branched stem, Cameron Highlands, Malaysia

  • Lycopodiastrum (syn. Lycopodium) casuarinoides, stobili bearing much branched stem issued from the previously resting bud, Cameron Highlands, Malaysia
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    Lycopodiastrum (syn. Lycopodium) casuarinoides, stobili bearing much branched stem issued from the previously resting bud, Cameron Highlands, Malaysia

  • Lycopodiastrum (syn. Lycopodium) casuarinoides, vegetative branched hanging stem and pseudo lateral stobili bearing branched stem, Cameron Highlands, Malaysia
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    Lycopodiastrum (syn. Lycopodium) casuarinoides, vegetative branched hanging stem and pseudo lateral stobili bearing branched stem, Cameron Highlands, Malaysia

  • Lycopodiastrum casuarinoides, schematic representation by Patrick Blanc of growth habits with the blocked stems later producing strictly strbiliferous stems in red, Cameron Highlands, July 15th 1984
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    Lycopodiastrum casuarinoides, schematic representation by Patrick Blanc of growth habits with the blocked stems later producing strictly strbiliferous stems in red, Cameron Highlands, July 15th 1984

  • Patrick Blanc observing the growth habits of Lycopodium hydrophilum creeping of the wet ground in highland savanna, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua, May 2025
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    Patrick Blanc observing the growth habits of Lycopodium hydrophilum creeping of the wet ground in highland savanna, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua, May 2025

  • Lycopodium (Palhinhaea) hydrophilum, erect branched stems covering the wet sandy savanna, the old ones, persistant ones dead, becoming grey and similar to Lichens, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua
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    Lycopodium (Palhinhaea) hydrophilum, erect branched stems covering the wet sandy savanna, the old ones, persistant ones dead, becoming grey and similar to Lichens, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua

  • Lycopodium (Palhinhaea) hydrophilum, some living branched erect fir like stems and numerous long lasting dead stems very Lichen-like in wet sandy savanna, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua
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    Lycopodium (Palhinhaea) hydrophilum, some living branched erect fir like stems and numerous long lasting dead stems very Lichen-like in wet sandy savanna, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua

  • Lycopodium (Palhinhaea) hydrophilum, dense population of erect living green arbuscular stems and old dead bright grey persistent Lichen-like branched stems, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua
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    Lycopodium (Palhinhaea) hydrophilum, dense population of erect living green arbuscular stems and old dead bright grey persistent Lichen-like branched stems, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua

  • Lycopodium (Palhinhaea) hydrophilum, part of the main creeping rooting stem with some blocked pseudo lateral stems due to unequal dichotomy, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua
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    Lycopodium (Palhinhaea) hydrophilum, part of the main creeping rooting stem with some blocked pseudo lateral stems due to unequal dichotomy, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua

  • Lycopodium (Palhinhaea) hydrophilum, stems creeping at the acidic wet sandy soil surface in upland savanna, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua
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    Lycopodium (Palhinhaea) hydrophilum, stems creeping at the acidic wet sandy soil surface in upland savanna, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua

  • Lycopodium (Palhinhaea) hydrophilum, three stems straightly creeping and colonising the sandy wet savanna, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua
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    Lycopodium (Palhinhaea) hydrophilum, three stems straightly creeping and colonising the sandy wet savanna, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua

  • Lycopodium (Palhinhaea) hydrophilum, three types of stems due to unequal dichotomy - the long thick straight creeping stem, many erect unbranched and two erect much branched stems, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua
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    Lycopodium (Palhinhaea) hydrophilum, three types of stems due to unequal dichotomy - the long thick straight creeping stem, many erect unbranched and two erect much branched stems, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua

  • Patrick Blanc showing the strobili at the top of the unbranched erect stems of Lycopodium (Palhinhaea) hydrophilum, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua, May 2025
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    Patrick Blanc showing the strobili at the top of the unbranched erect stems of Lycopodium (Palhinhaea) hydrophilum, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua, May 2025

  • Patrick Blanc showing the weakly differenciated yellowish strobili at the top of the erect stems of Lycopodium (Palhinhaea) hydrophilum, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua
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    Patrick Blanc showing the weakly differenciated yellowish strobili at the top of the erect stems of Lycopodium (Palhinhaea) hydrophilum, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua

  • Lycopodium (Palhinhaea) hydrophilum, erect unbranched stems ending in strobili, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua
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    Lycopodium (Palhinhaea) hydrophilum, erect unbranched stems ending in strobili, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua

  • Lycopodium (Palhinhaea) hydrophilum, young erect coniferoid much branched entity keeping a main stem due to unequal dichotomy, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua
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    Lycopodium (Palhinhaea) hydrophilum, young erect coniferoid much branched entity keeping a main stem due to unequal dichotomy, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua

  • Lycopodium (Palhinhaea) hydrophilum, young erect much branched coniferoid stem due to unequal dichotomy, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua
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    Lycopodium (Palhinhaea) hydrophilum, young erect much branched coniferoid stem due to unequal dichotomy, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua

  • Lycopodium (Palhinhaea) hydrophilum, two erect much branched conifer like stems due to unequal dichotomy, emerging from the creeping stem, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua
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    Lycopodium (Palhinhaea) hydrophilum, two erect much branched conifer like stems due to unequal dichotomy, emerging from the creeping stem, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua

  • Lycopodium (Palhinhaea) hydrophilum, erect branched stems of different ages, from the youg green ones with vertical stems to the old ones with brown stems ending in strobili, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua
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    Lycopodium (Palhinhaea) hydrophilum, erect branched stems of different ages, from the youg green ones with vertical stems to the old ones with brown stems ending in strobili, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua

  • Lycopodium (Palhinhaea) hydrophilum, only the erect much branched coniferoid entities emerge above the surrounding vegetation, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua
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    Lycopodium (Palhinhaea) hydrophilum, only the erect much branched coniferoid entities emerge above the surrounding vegetation, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua

  • Lycopodium (Palhinhaea) hydrophilum, much branched erect Conifer like stems, each one ending in a curved strobilus, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua
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    Lycopodium (Palhinhaea) hydrophilum, much branched erect Conifer like stems, each one ending in a curved strobilus, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua

  • Lycopodium (Palhinhaea) hydrophilum, stems ending in recurved strobili, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua
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    Lycopodium (Palhinhaea) hydrophilum, stems ending in recurved strobili, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua

  • Lycopodium (Palhinhaea) hydrophilum, stems ending in yellowish curved strobili, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua
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    Lycopodium (Palhinhaea) hydrophilum, stems ending in yellowish curved strobili, Anggi Lakes, 2300 m asl, Arfak Mts, West Papua

  • Phlegmariurus phlegmaria exhibiting establishment growth through successive more vigorous basal adventitious stems, Cameron Highlands, Malaysia
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    Phlegmariurus phlegmaria exhibiting establishment growth through successive more vigorous basal adventitious stems, Cameron Highlands, Malaysia

  • Phlegmariurus squarrosus, basal repetitive production of new adventitious shoots replacing the drying older ones, Tari, 2000 m asl, Papua New Guinea
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    Phlegmariurus squarrosus, basal repetitive production of new adventitious shoots replacing the drying older ones, Tari, 2000 m asl, Papua New Guinea

  • Phlegmariurus phyllanthus, all the erect stems ending in reclining dichotomous strobili are equivalent and issued from basal adventitious meristems, Mathikettan Shola FR, Kerala, India
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    Phlegmariurus phyllanthus, all the erect stems ending in reclining dichotomous strobili are equivalent and issued from basal adventitious meristems, Mathikettan Shola FR, Kerala, India

  • Phlegmariurus phyllanthus, successive basal offshoots issued from adventitious meristems, Mathikettan, NP, India
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    Phlegmariurus phyllanthus, successive basal offshoots issued from adventitious meristems, Mathikettan, NP, India

  • Selaginella bamleri, a tall shrubby species with self standing erect main stem issued from unequal dichotomy, G. Meja, Manokwari, West Papua
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    Selaginella bamleri, a tall shrubby species with self standing erect main stem issued from unequal dichotomy, G. Meja, Manokwari, West Papua

  • Selaginella bamleri, shrubby erect species in forest understory, G. Meja, Manokwari, West Papua
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    Selaginella bamleri, shrubby erect species in forest understory, G. Meja, Manokwari, West Papua

  • Patrick Blanc showing the thick free standing erect main stem of Selaginella bamleri, Manokwari, West Papua, May 2025
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    Patrick Blanc showing the thick free standing erect main stem of Selaginella bamleri, Manokwari, West Papua, May 2025

  • Selaginella bamleri, vertical robust main stem due to successive unequal dichotomies, G. Meja, Manokwari, West Papua.
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    Selaginella bamleri, vertical robust main stem due to successive unequal dichotomies, G. Meja, Manokwari, West Papua.

  • Selaginella bamleri, unique robust main thick erect stem issued from successive unequal dichotomies, the smaller pseudo-lateral stems drying out and finally shedding, G. Meja, Manokwari, West Papua.
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    Selaginella bamleri, unique robust main thick erect stem issued from successive unequal dichotomies, the smaller pseudo-lateral stems drying out and finally shedding, G. Meja, Manokwari, West Papua.

  • Psilotum nudum cespitose stems emerging from rock fissures, Sydney
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    Psilotum nudum cespitose stems emerging from rock fissures, Sydney

  • Psilotum complanatum, equal dichotomies of freely hanging elements, translucent scales and synangia
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    Psilotum complanatum, equal dichotomies of freely hanging elements, translucent scales and synangia

  • Psilotum nudum, basal offshoots issued from resting buds, most probably of adventitious origin
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    Psilotum nudum, basal offshoots issued from resting buds, most probably of adventitious origin

  • Rhynie Flora, Lower Devonian 410 MA, beside equal dichotomy in aerial stems, unequal pseudomonopodial branching already present and repetitive basal branching, probably adventitious, ensuring propagation and virtual immortality
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    Rhynie Flora, Lower Devonian 410 MA, beside equal dichotomy in aerial stems, unequal pseudomonopodial branching already present and repetitive basal branching, probably adventitious, ensuring propagation and virtual immortality

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