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In response to both biotic and abiotic stresses, vascular plants transmit long-distance Ca²⁺ and electrical signals from localized stress sites to distant tissues through their vasculature. Various models have been proposed for the mechanisms underlying the long-distance signaling, primarily centered around the presence of vascular bundles. We here demonstrate that the non-vascular liverwort Marchantia polymorpha possesses a mechanism for propagating Ca²⁺ waves and electrical signals in response to wounding. The propagation velocity of these signals was approximately 1–2 mm s^-1, equivalent to that observed in vascular plants. Both Ca²⁺ waves and electrical signals were inhibited by La³⁺ as well as tetraethylammonium chloride, suggesting the crucial importance of both Ca²⁺ channel(s) and K⁺ channel(s) in wound-induced membrane depolarization as well as the subsequent long-distance signal …