Willem Kolvoort / Ditch with Chara algae (Chara sp), North Holland. May.
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Nick Upton / Delicate stonewort (Chara virgata) on the left without sporangia and on the right with sporangia. Red (male) antheridia and brown, flask shaped (female) archegonia, Marlborough Downs, Wiltshire, UK, S...
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Nick Upton / Delicate stonewort (Chara virgata) on the left without sporangia and on the right with sporangia. Red (male) antheridia and brown, flask shaped (female) archegonia, Marlborough Downs, Wiltshire, UK, S...
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Nick Upton / Duck Leech (Theromyzon tessulatum) waiting and ready to crawl up the nostrils of a duck to suck blood from its respiratory tracts, reaching out from a Delicate stonewort (Chara virgata) alga in a shal...
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Albert Lleal / Algae (Characeae) male reproductive organ, Cap de Creus, Catalonia, Spain
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Albert Lleal / Algae (Characeae) male reproductive organs, Cap de Creus, Catalonia, Spain
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Albert Lleal / Algae (Characeae) male reproductive organs, Cap de Creus, Catalonia, Spain
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Nick Upton / Smooth stonewort (Nitella flexilis) growing in garden pond, Wiltshire, UK. May.
